Home / 65,767.20-98,675.68-39,490.28

Finding the Fourth Proportional to 65,767.20, 98,675.68 and 39,490.28

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Solution

The fourth proportional to 65,767.20, 98,675.68 and 39,490.28 is: 59,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,767.20 : 98,675.68 = 39,490.28 : x
  2. Step 2: Convert to fraction form
    65,767.20/98,675.68 = 39,490.28/x
  3. Step 3: Cross multiply
    65,767.20x = 98,675.68 × 39,490.28
  4. Step 4: Simplify right side
    65,767.20x = 3,896,730,232.39
  5. Step 5: Solve for x
    x = 3,896,730,232.39/65,767.20
  6. Step 6: Final answer
    x = 59,250.36

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1.5x scale

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.