Home / 31,527.38-43,507.80-17,380.24

Finding the Fourth Proportional to 31,527.38, 43,507.80 and 17,380.24

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Solution

The fourth proportional to 31,527.38, 43,507.80 and 17,380.24 is: 23,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.38 : 43,507.80 = 17,380.24 : x
  2. Step 2: Convert to fraction form
    31,527.38/43,507.80 = 17,380.24/x
  3. Step 3: Cross multiply
    31,527.38x = 43,507.80 × 17,380.24
  4. Step 4: Simplify right side
    31,527.38x = 756,175,897.10
  5. Step 5: Solve for x
    x = 756,175,897.10/31,527.38
  6. Step 6: Final answer
    x = 23,984.73

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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.