Home / 39,149.46-58,717.44-12,854.70

Finding the Fourth Proportional to 39,149.46, 58,717.44 and 12,854.70

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Solution

The fourth proportional to 39,149.46, 58,717.44 and 12,854.70 is: 19,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.46 : 58,717.44 = 12,854.70 : x
  2. Step 2: Convert to fraction form
    39,149.46/58,717.44 = 12,854.70/x
  3. Step 3: Cross multiply
    39,149.46x = 58,717.44 × 12,854.70
  4. Step 4: Simplify right side
    39,149.46x = 754,795,075.97
  5. Step 5: Solve for x
    x = 754,795,075.97/39,149.46
  6. Step 6: Final answer
    x = 19,279.83

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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.