Home / 42,130.23-58,140.11-23,980.06

Finding the Fourth Proportional to 42,130.23, 58,140.11 and 23,980.06

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Solution

The fourth proportional to 42,130.23, 58,140.11 and 23,980.06 is: 33,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.23 : 58,140.11 = 23,980.06 : x
  2. Step 2: Convert to fraction form
    42,130.23/58,140.11 = 23,980.06/x
  3. Step 3: Cross multiply
    42,130.23x = 58,140.11 × 23,980.06
  4. Step 4: Simplify right side
    42,130.23x = 1,394,203,326.21
  5. Step 5: Solve for x
    x = 1,394,203,326.21/42,130.23
  6. Step 6: Final answer
    x = 33,092.71

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Half scale
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Double scale
Find fourth proportional to 42,131.23, 58,141.49 and 23,981.06
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.