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Finding the Fourth Proportional to 55,251.40, 82,905.90 and 24,089.80

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Solution

The fourth proportional to 55,251.40, 82,905.90 and 24,089.80 is: 36,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,251.40 : 82,905.90 = 24,089.80 : x
  2. Step 2: Convert to fraction form
    55,251.40/82,905.90 = 24,089.80/x
  3. Step 3: Cross multiply
    55,251.40x = 82,905.90 × 24,089.80
  4. Step 4: Simplify right side
    55,251.40x = 1,997,186,549.82
  5. Step 5: Solve for x
    x = 1,997,186,549.82/55,251.40
  6. Step 6: Final answer
    x = 36,147.26

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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.