Home / 31,013.92-42,803.36-17,590.04

Finding the Fourth Proportional to 31,013.92, 42,803.36 and 17,590.04

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Solution

The fourth proportional to 31,013.92, 42,803.36 and 17,590.04 is: 24,276.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,013.92 : 42,803.36 = 17,590.04 : x
  2. Step 2: Convert to fraction form
    31,013.92/42,803.36 = 17,590.04/x
  3. Step 3: Cross multiply
    31,013.92x = 42,803.36 × 17,590.04
  4. Step 4: Simplify right side
    31,013.92x = 752,912,814.53
  5. Step 5: Solve for x
    x = 752,912,814.53/31,013.92
  6. Step 6: Final answer
    x = 24,276.61

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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.