Home / 63,128.60-94,637.45-25,720.13

Finding the Fourth Proportional to 63,128.60, 94,637.45 and 25,720.13

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Solution

The fourth proportional to 63,128.60, 94,637.45 and 25,720.13 is: 38,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.60 : 94,637.45 = 25,720.13 : x
  2. Step 2: Convert to fraction form
    63,128.60/94,637.45 = 25,720.13/x
  3. Step 3: Cross multiply
    63,128.60x = 94,637.45 × 25,720.13
  4. Step 4: Simplify right side
    63,128.60x = 2,434,087,673.09
  5. Step 5: Solve for x
    x = 2,434,087,673.09/63,128.60
  6. Step 6: Final answer
    x = 38,557.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.