Home / 42,241.92-63,355.52-14,159.20

Finding the Fourth Proportional to 42,241.92, 63,355.52 and 14,159.20

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Solution

The fourth proportional to 42,241.92, 63,355.52 and 14,159.20 is: 21,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,241.92 : 63,355.52 = 14,159.20 : x
  2. Step 2: Convert to fraction form
    42,241.92/63,355.52 = 14,159.20/x
  3. Step 3: Cross multiply
    42,241.92x = 63,355.52 × 14,159.20
  4. Step 4: Simplify right side
    42,241.92x = 897,063,478.78
  5. Step 5: Solve for x
    x = 897,063,478.78/42,241.92
  6. Step 6: Final answer
    x = 21,236.33

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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.