Home / 31,545.99-43,532.85-17,205.93

Finding the Fourth Proportional to 31,545.99, 43,532.85 and 17,205.93

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Solution

The fourth proportional to 31,545.99, 43,532.85 and 17,205.93 is: 23,743.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,545.99 : 43,532.85 = 17,205.93 : x
  2. Step 2: Convert to fraction form
    31,545.99/43,532.85 = 17,205.93/x
  3. Step 3: Cross multiply
    31,545.99x = 43,532.85 × 17,205.93
  4. Step 4: Simplify right side
    31,545.99x = 749,023,169.80
  5. Step 5: Solve for x
    x = 749,023,169.80/31,545.99
  6. Step 6: Final answer
    x = 23,743.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.