Home / 42,037.15-63,039.33-18,351.94

Finding the Fourth Proportional to 42,037.15, 63,039.33 and 18,351.94

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Solution

The fourth proportional to 42,037.15, 63,039.33 and 18,351.94 is: 27,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.15 : 63,039.33 = 18,351.94 : x
  2. Step 2: Convert to fraction form
    42,037.15/63,039.33 = 18,351.94/x
  3. Step 3: Cross multiply
    42,037.15x = 63,039.33 × 18,351.94
  4. Step 4: Simplify right side
    42,037.15x = 1,156,894,001.80
  5. Step 5: Solve for x
    x = 1,156,894,001.80/42,037.15
  6. Step 6: Final answer
    x = 27,520.75

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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.