Home / 42,179.92-63,269.96-12,595.43

Finding the Fourth Proportional to 42,179.92, 63,269.96 and 12,595.43

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Solution

The fourth proportional to 42,179.92, 63,269.96 and 12,595.43 is: 18,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,179.92 : 63,269.96 = 12,595.43 : x
  2. Step 2: Convert to fraction form
    42,179.92/63,269.96 = 12,595.43/x
  3. Step 3: Cross multiply
    42,179.92x = 63,269.96 × 12,595.43
  4. Step 4: Simplify right side
    42,179.92x = 796,912,352.28
  5. Step 5: Solve for x
    x = 796,912,352.28/42,179.92
  6. Step 6: Final answer
    x = 18,893.17

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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.