Home / 65,731.38-98,605.95-21,343.74

Finding the Fourth Proportional to 65,731.38, 98,605.95 and 21,343.74

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Solution

The fourth proportional to 65,731.38, 98,605.95 and 21,343.74 is: 32,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,731.38 : 98,605.95 = 21,343.74 : x
  2. Step 2: Convert to fraction form
    65,731.38/98,605.95 = 21,343.74/x
  3. Step 3: Cross multiply
    65,731.38x = 98,605.95 × 21,343.74
  4. Step 4: Simplify right side
    65,731.38x = 2,104,619,759.25
  5. Step 5: Solve for x
    x = 2,104,619,759.25/65,731.38
  6. Step 6: Final answer
    x = 32,018.49

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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.