Home / 42,178.92-63,266.22-12,595.56

Finding the Fourth Proportional to 42,178.92, 63,266.22 and 12,595.56

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Solution

The fourth proportional to 42,178.92, 63,266.22 and 12,595.56 is: 18,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178.92 : 63,266.22 = 12,595.56 : x
  2. Step 2: Convert to fraction form
    42,178.92/63,266.22 = 12,595.56/x
  3. Step 3: Cross multiply
    42,178.92x = 63,266.22 × 12,595.56
  4. Step 4: Simplify right side
    42,178.92x = 796,873,469.98
  5. Step 5: Solve for x
    x = 796,873,469.98/42,178.92
  6. Step 6: Final answer
    x = 18,892.69

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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.