Home / 31,272.64-43,155.45-17,475.09

Finding the Fourth Proportional to 31,272.64, 43,155.45 and 17,475.09

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Solution

The fourth proportional to 31,272.64, 43,155.45 and 17,475.09 is: 24,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,272.64 : 43,155.45 = 17,475.09 : x
  2. Step 2: Convert to fraction form
    31,272.64/43,155.45 = 17,475.09/x
  3. Step 3: Cross multiply
    31,272.64x = 43,155.45 × 17,475.09
  4. Step 4: Simplify right side
    31,272.64x = 754,145,372.74
  5. Step 5: Solve for x
    x = 754,145,372.74/31,272.64
  6. Step 6: Final answer
    x = 24,115.18

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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.