Home / 42,951.28-64,446.10-16,658.08

Finding the Fourth Proportional to 42,951.28, 64,446.10 and 16,658.08

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Solution

The fourth proportional to 42,951.28, 64,446.10 and 16,658.08 is: 24,994.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,951.28 : 64,446.10 = 16,658.08 : x
  2. Step 2: Convert to fraction form
    42,951.28/64,446.10 = 16,658.08/x
  3. Step 3: Cross multiply
    42,951.28x = 64,446.10 × 16,658.08
  4. Step 4: Simplify right side
    42,951.28x = 1,073,548,289.49
  5. Step 5: Solve for x
    x = 1,073,548,289.49/42,951.28
  6. Step 6: Final answer
    x = 24,994.56

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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.