Home / 31,954.24-44,084.28-21,350.80

Finding the Fourth Proportional to 31,954.24, 44,084.28 and 21,350.80

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Solution

The fourth proportional to 31,954.24, 44,084.28 and 21,350.80 is: 29,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954.24 : 44,084.28 = 21,350.80 : x
  2. Step 2: Convert to fraction form
    31,954.24/44,084.28 = 21,350.80/x
  3. Step 3: Cross multiply
    31,954.24x = 44,084.28 × 21,350.80
  4. Step 4: Simplify right side
    31,954.24x = 941,234,645.42
  5. Step 5: Solve for x
    x = 941,234,645.42/31,954.24
  6. Step 6: Final answer
    x = 29,455.70

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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.