Home / 42,013.68-62,998.65-12,427.52

Finding the Fourth Proportional to 42,013.68, 62,998.65 and 12,427.52

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Solution

The fourth proportional to 42,013.68, 62,998.65 and 12,427.52 is: 18,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.68 : 62,998.65 = 12,427.52 : x
  2. Step 2: Convert to fraction form
    42,013.68/62,998.65 = 12,427.52/x
  3. Step 3: Cross multiply
    42,013.68x = 62,998.65 × 12,427.52
  4. Step 4: Simplify right side
    42,013.68x = 782,916,982.85
  5. Step 5: Solve for x
    x = 782,916,982.85/42,013.68
  6. Step 6: Final answer
    x = 18,634.81

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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.