Home / 42,814.38-64,221.09-16,500.66

Finding the Fourth Proportional to 42,814.38, 64,221.09 and 16,500.66

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Solution

The fourth proportional to 42,814.38, 64,221.09 and 16,500.66 is: 24,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,814.38 : 64,221.09 = 16,500.66 : x
  2. Step 2: Convert to fraction form
    42,814.38/64,221.09 = 16,500.66/x
  3. Step 3: Cross multiply
    42,814.38x = 64,221.09 × 16,500.66
  4. Step 4: Simplify right side
    42,814.38x = 1,059,690,370.92
  5. Step 5: Solve for x
    x = 1,059,690,370.92/42,814.38
  6. Step 6: Final answer
    x = 24,750.81

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1.5x scale

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.