Home / 30,951,439.92-42,709,595.76-17,896,723.38

Finding the Fourth Proportional to 30,951,439.92, 42,709,595.76 and 17,896,723.38

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Solution

The fourth proportional to 30,951,439.92, 42,709,595.76 and 17,896,723.38 is: 24,695,517.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951,439.92 : 42,709,595.76 = 17,896,723.38 : x
  2. Step 2: Convert to fraction form
    30,951,439.92/42,709,595.76 = 17,896,723.38/x
  3. Step 3: Cross multiply
    30,951,439.92x = 42,709,595.76 × 17,896,723.38
  4. Step 4: Simplify right side
    30,951,439.92x = 764,361,820,988,340.75
  5. Step 5: Solve for x
    x = 764,361,820,988,340.75/30,951,439.92
  6. Step 6: Final answer
    x = 24,695,517.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.