Home / 36,299.18-54,456.52-12,607.46

Finding the Fourth Proportional to 36,299.18, 54,456.52 and 12,607.46

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Solution

The fourth proportional to 36,299.18, 54,456.52 and 12,607.46 is: 18,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.18 : 54,456.52 = 12,607.46 : x
  2. Step 2: Convert to fraction form
    36,299.18/54,456.52 = 12,607.46/x
  3. Step 3: Cross multiply
    36,299.18x = 54,456.52 × 12,607.46
  4. Step 4: Simplify right side
    36,299.18x = 686,558,397.64
  5. Step 5: Solve for x
    x = 686,558,397.64/36,299.18
  6. Step 6: Final answer
    x = 18,913.88

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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.