Home / 42,037.06-63,039.19-18,351.85

Finding the Fourth Proportional to 42,037.06, 63,039.19 and 18,351.85

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Solution

The fourth proportional to 42,037.06, 63,039.19 and 18,351.85 is: 27,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,037.06 : 63,039.19 = 18,351.85 : x
  2. Step 2: Convert to fraction form
    42,037.06/63,039.19 = 18,351.85/x
  3. Step 3: Cross multiply
    42,037.06x = 63,039.19 × 18,351.85
  4. Step 4: Simplify right side
    42,037.06x = 1,156,885,667.24
  5. Step 5: Solve for x
    x = 1,156,885,667.24/42,037.06
  6. Step 6: Final answer
    x = 27,520.61

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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.