Home / 39,126.24-53,993.79-22,130.21

Finding the Fourth Proportional to 39,126.24, 53,993.79 and 22,130.21

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Solution

The fourth proportional to 39,126.24, 53,993.79 and 22,130.21 is: 30,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,126.24 : 53,993.79 = 22,130.21 : x
  2. Step 2: Convert to fraction form
    39,126.24/53,993.79 = 22,130.21/x
  3. Step 3: Cross multiply
    39,126.24x = 53,993.79 × 22,130.21
  4. Step 4: Simplify right side
    39,126.24x = 1,194,894,046.38
  5. Step 5: Solve for x
    x = 1,194,894,046.38/39,126.24
  6. Step 6: Final answer
    x = 30,539.46

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Half scale
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Double scale
Find fourth proportional to 39,127.24, 53,995.17 and 22,131.21
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.