Home / 42,159.51-58,173.09-25,170.63

Finding the Fourth Proportional to 42,159.51, 58,173.09 and 25,170.63

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Solution

The fourth proportional to 42,159.51, 58,173.09 and 25,170.63 is: 34,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.51 : 58,173.09 = 25,170.63 : x
  2. Step 2: Convert to fraction form
    42,159.51/58,173.09 = 25,170.63/x
  3. Step 3: Cross multiply
    42,159.51x = 58,173.09 × 25,170.63
  4. Step 4: Simplify right side
    42,159.51x = 1,464,253,324.35
  5. Step 5: Solve for x
    x = 1,464,253,324.35/42,159.51
  6. Step 6: Final answer
    x = 34,731.27

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Half scale
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Double scale
Find fourth proportional to 42,160.51, 58,174.47 and 25,171.63
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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.