Home / 42,174.92-63,263.51-18,470.27

Finding the Fourth Proportional to 42,174.92, 63,263.51 and 18,470.27

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Solution

The fourth proportional to 42,174.92, 63,263.51 and 18,470.27 is: 27,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174.92 : 63,263.51 = 18,470.27 : x
  2. Step 2: Convert to fraction form
    42,174.92/63,263.51 = 18,470.27/x
  3. Step 3: Cross multiply
    42,174.92x = 63,263.51 × 18,470.27
  4. Step 4: Simplify right side
    42,174.92x = 1,168,493,998.86
  5. Step 5: Solve for x
    x = 1,168,493,998.86/42,174.92
  6. Step 6: Final answer
    x = 27,705.90

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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.