Home / 42,039.92-63,059.88-12,458.18

Finding the Fourth Proportional to 42,039.92, 63,059.88 and 12,458.18

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Solution

The fourth proportional to 42,039.92, 63,059.88 and 12,458.18 is: 18,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,039.92 : 63,059.88 = 12,458.18 : x
  2. Step 2: Convert to fraction form
    42,039.92/63,059.88 = 12,458.18/x
  3. Step 3: Cross multiply
    42,039.92x = 63,059.88 × 12,458.18
  4. Step 4: Simplify right side
    42,039.92x = 785,611,335.82
  5. Step 5: Solve for x
    x = 785,611,335.82/42,039.92
  6. Step 6: Final answer
    x = 18,687.27

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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.