Home / 31,765.90-43,838.13-17,424.85

Finding the Fourth Proportional to 31,765.90, 43,838.13 and 17,424.85

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Solution

The fourth proportional to 31,765.90, 43,838.13 and 17,424.85 is: 24,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.90 : 43,838.13 = 17,424.85 : x
  2. Step 2: Convert to fraction form
    31,765.90/43,838.13 = 17,424.85/x
  3. Step 3: Cross multiply
    31,765.90x = 43,838.13 × 17,424.85
  4. Step 4: Simplify right side
    31,765.90x = 763,872,839.53
  5. Step 5: Solve for x
    x = 763,872,839.53/31,765.90
  6. Step 6: Final answer
    x = 24,046.94

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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.