Home / 42,293.60-63,446.94-12,708.08

Finding the Fourth Proportional to 42,293.60, 63,446.94 and 12,708.08

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Solution

The fourth proportional to 42,293.60, 63,446.94 and 12,708.08 is: 19,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,293.60 : 63,446.94 = 12,708.08 : x
  2. Step 2: Convert to fraction form
    42,293.60/63,446.94 = 12,708.08/x
  3. Step 3: Cross multiply
    42,293.60x = 63,446.94 × 12,708.08
  4. Step 4: Simplify right side
    42,293.60x = 806,288,789.28
  5. Step 5: Solve for x
    x = 806,288,789.28/42,293.60
  6. Step 6: Final answer
    x = 19,064.09

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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.