Home / 48,538.48-72,781.62-28,554.88

Finding the Fourth Proportional to 48,538.48, 72,781.62 and 28,554.88

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Solution

The fourth proportional to 48,538.48, 72,781.62 and 28,554.88 is: 42,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,538.48 : 72,781.62 = 28,554.88 : x
  2. Step 2: Convert to fraction form
    48,538.48/72,781.62 = 28,554.88/x
  3. Step 3: Cross multiply
    48,538.48x = 72,781.62 × 28,554.88
  4. Step 4: Simplify right side
    48,538.48x = 2,078,270,425.31
  5. Step 5: Solve for x
    x = 2,078,270,425.31/48,538.48
  6. Step 6: Final answer
    x = 42,816.97

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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.