Home / 61,491.56-92,274.02-31,909.16

Finding the Fourth Proportional to 61,491.56, 92,274.02 and 31,909.16

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Solution

The fourth proportional to 61,491.56, 92,274.02 and 31,909.16 is: 47,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,491.56 : 92,274.02 = 31,909.16 : x
  2. Step 2: Convert to fraction form
    61,491.56/92,274.02 = 31,909.16/x
  3. Step 3: Cross multiply
    61,491.56x = 92,274.02 × 31,909.16
  4. Step 4: Simplify right side
    61,491.56x = 2,944,386,468.02
  5. Step 5: Solve for x
    x = 2,944,386,468.02/61,491.56
  6. Step 6: Final answer
    x = 47,882.77

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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.