Home / 42,342.60-63,493.32-12,754.92

Finding the Fourth Proportional to 42,342.60, 63,493.32 and 12,754.92

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Solution

The fourth proportional to 42,342.60, 63,493.32 and 12,754.92 is: 19,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.60 : 63,493.32 = 12,754.92 : x
  2. Step 2: Convert to fraction form
    42,342.60/63,493.32 = 12,754.92/x
  3. Step 3: Cross multiply
    42,342.60x = 63,493.32 × 12,754.92
  4. Step 4: Simplify right side
    42,342.60x = 809,852,217.13
  5. Step 5: Solve for x
    x = 809,852,217.13/42,342.60
  6. Step 6: Final answer
    x = 19,126.18

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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.