Home / 65,718.30-90,691.16-37,424.00

Finding the Fourth Proportional to 65,718.30, 90,691.16 and 37,424.00

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Solution

The fourth proportional to 65,718.30, 90,691.16 and 37,424.00 is: 51,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,718.30 : 90,691.16 = 37,424.00 : x
  2. Step 2: Convert to fraction form
    65,718.30/90,691.16 = 37,424.00/x
  3. Step 3: Cross multiply
    65,718.30x = 90,691.16 × 37,424.00
  4. Step 4: Simplify right side
    65,718.30x = 3,394,025,331.26
  5. Step 5: Solve for x
    x = 3,394,025,331.26/65,718.30
  6. Step 6: Final answer
    x = 51,645.06

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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.