Home / 52,020.46-77,997.90-28,663.30

Finding the Fourth Proportional to 52,020.46, 77,997.90 and 28,663.30

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Solution

The fourth proportional to 52,020.46, 77,997.90 and 28,663.30 is: 42,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,020.46 : 77,997.90 = 28,663.30 : x
  2. Step 2: Convert to fraction form
    52,020.46/77,997.90 = 28,663.30/x
  3. Step 3: Cross multiply
    52,020.46x = 77,997.90 × 28,663.30
  4. Step 4: Simplify right side
    52,020.46x = 2,235,677,207.07
  5. Step 5: Solve for x
    x = 2,235,677,207.07/52,020.46
  6. Step 6: Final answer
    x = 42,976.88

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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.