Home / 53,691.12-80,543.16-14,248.98

Finding the Fourth Proportional to 53,691.12, 80,543.16 and 14,248.98

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Solution

The fourth proportional to 53,691.12, 80,543.16 and 14,248.98 is: 21,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.12 : 80,543.16 = 14,248.98 : x
  2. Step 2: Convert to fraction form
    53,691.12/80,543.16 = 14,248.98/x
  3. Step 3: Cross multiply
    53,691.12x = 80,543.16 × 14,248.98
  4. Step 4: Simplify right side
    53,691.12x = 1,147,657,875.98
  5. Step 5: Solve for x
    x = 1,147,657,875.98/53,691.12
  6. Step 6: Final answer
    x = 21,375.19

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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.