Home / 42,064.05-63,086.34-12,474.75

Finding the Fourth Proportional to 42,064.05, 63,086.34 and 12,474.75

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Solution

The fourth proportional to 42,064.05, 63,086.34 and 12,474.75 is: 18,709.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,064.05 : 63,086.34 = 12,474.75 : x
  2. Step 2: Convert to fraction form
    42,064.05/63,086.34 = 12,474.75/x
  3. Step 3: Cross multiply
    42,064.05x = 63,086.34 × 12,474.75
  4. Step 4: Simplify right side
    42,064.05x = 786,986,319.92
  5. Step 5: Solve for x
    x = 786,986,319.92/42,064.05
  6. Step 6: Final answer
    x = 18,709.24

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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.