Home / 55,234.64-82,841.10-21,500.78

Finding the Fourth Proportional to 55,234.64, 82,841.10 and 21,500.78

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Solution

The fourth proportional to 55,234.64, 82,841.10 and 21,500.78 is: 32,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.64 : 82,841.10 = 21,500.78 : x
  2. Step 2: Convert to fraction form
    55,234.64/82,841.10 = 21,500.78/x
  3. Step 3: Cross multiply
    55,234.64x = 82,841.10 × 21,500.78
  4. Step 4: Simplify right side
    55,234.64x = 1,781,148,266.06
  5. Step 5: Solve for x
    x = 1,781,148,266.06/55,234.64
  6. Step 6: Final answer
    x = 32,246.94

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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.