Home / 52,654.64-72,663.40-28,781.41

Finding the Fourth Proportional to 52,654.64, 72,663.40 and 28,781.41

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Solution

The fourth proportional to 52,654.64, 72,663.40 and 28,781.41 is: 39,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,654.64 : 72,663.40 = 28,781.41 : x
  2. Step 2: Convert to fraction form
    52,654.64/72,663.40 = 28,781.41/x
  3. Step 3: Cross multiply
    52,654.64x = 72,663.40 × 28,781.41
  4. Step 4: Simplify right side
    52,654.64x = 2,091,355,178.90
  5. Step 5: Solve for x
    x = 2,091,355,178.90/52,654.64
  6. Step 6: Final answer
    x = 39,718.34

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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.