Home / 54,687.08-82,037.46-21,402.85

Finding the Fourth Proportional to 54,687.08, 82,037.46 and 21,402.85

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Solution

The fourth proportional to 54,687.08, 82,037.46 and 21,402.85 is: 32,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,687.08 : 82,037.46 = 21,402.85 : x
  2. Step 2: Convert to fraction form
    54,687.08/82,037.46 = 21,402.85/x
  3. Step 3: Cross multiply
    54,687.08x = 82,037.46 × 21,402.85
  4. Step 4: Simplify right side
    54,687.08x = 1,755,835,450.76
  5. Step 5: Solve for x
    x = 1,755,835,450.76/54,687.08
  6. Step 6: Final answer
    x = 32,106.95

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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.