Home / 31,480.38-43,445.57-17,335.89

Finding the Fourth Proportional to 31,480.38, 43,445.57 and 17,335.89

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Solution

The fourth proportional to 31,480.38, 43,445.57 and 17,335.89 is: 23,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.38 : 43,445.57 = 17,335.89 : x
  2. Step 2: Convert to fraction form
    31,480.38/43,445.57 = 17,335.89/x
  3. Step 3: Cross multiply
    31,480.38x = 43,445.57 × 17,335.89
  4. Step 4: Simplify right side
    31,480.38x = 753,167,535.83
  5. Step 5: Solve for x
    x = 753,167,535.83/31,480.38
  6. Step 6: Final answer
    x = 23,924.98

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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.