Home / 39,761.20-54,875.64-25,655.08

Finding the Fourth Proportional to 39,761.20, 54,875.64 and 25,655.08

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Solution

The fourth proportional to 39,761.20, 54,875.64 and 25,655.08 is: 35,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.20 : 54,875.64 = 25,655.08 : x
  2. Step 2: Convert to fraction form
    39,761.20/54,875.64 = 25,655.08/x
  3. Step 3: Cross multiply
    39,761.20x = 54,875.64 × 25,655.08
  4. Step 4: Simplify right side
    39,761.20x = 1,407,838,934.25
  5. Step 5: Solve for x
    x = 1,407,838,934.25/39,761.20
  6. Step 6: Final answer
    x = 35,407.36

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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.