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Finding the Fourth Proportional to 61,742.88, 92,613.51 and 14,995.71

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Solution

The fourth proportional to 61,742.88, 92,613.51 and 14,995.71 is: 22,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,742.88 : 92,613.51 = 14,995.71 : x
  2. Step 2: Convert to fraction form
    61,742.88/92,613.51 = 14,995.71/x
  3. Step 3: Cross multiply
    61,742.88x = 92,613.51 × 14,995.71
  4. Step 4: Simplify right side
    61,742.88x = 1,388,805,338.04
  5. Step 5: Solve for x
    x = 1,388,805,338.04/61,742.88
  6. Step 6: Final answer
    x = 22,493.37

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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.