Home / 42,353.62-63,552.12-18,677.68

Finding the Fourth Proportional to 42,353.62, 63,552.12 and 18,677.68

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Solution

The fourth proportional to 42,353.62, 63,552.12 and 18,677.68 is: 28,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,353.62 : 63,552.12 = 18,677.68 : x
  2. Step 2: Convert to fraction form
    42,353.62/63,552.12 = 18,677.68/x
  3. Step 3: Cross multiply
    42,353.62x = 63,552.12 × 18,677.68
  4. Step 4: Simplify right side
    42,353.62x = 1,187,006,160.68
  5. Step 5: Solve for x
    x = 1,187,006,160.68/42,353.62
  6. Step 6: Final answer
    x = 28,026.09

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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.