Home / 42,252.20-63,327.10-18,853.80

Finding the Fourth Proportional to 42,252.20, 63,327.10 and 18,853.80

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Solution

The fourth proportional to 42,252.20, 63,327.10 and 18,853.80 is: 28,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.20 : 63,327.10 = 18,853.80 : x
  2. Step 2: Convert to fraction form
    42,252.20/63,327.10 = 18,853.80/x
  3. Step 3: Cross multiply
    42,252.20x = 63,327.10 × 18,853.80
  4. Step 4: Simplify right side
    42,252.20x = 1,193,956,477.98
  5. Step 5: Solve for x
    x = 1,193,956,477.98/42,252.20
  6. Step 6: Final answer
    x = 28,257.85

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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.