Home / 31,648.32-43,658.64-29,397.06

Finding the Fourth Proportional to 31,648.32, 43,658.64 and 29,397.06

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Solution

The fourth proportional to 31,648.32, 43,658.64 and 29,397.06 is: 40,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,648.32 : 43,658.64 = 29,397.06 : x
  2. Step 2: Convert to fraction form
    31,648.32/43,658.64 = 29,397.06/x
  3. Step 3: Cross multiply
    31,648.32x = 43,658.64 × 29,397.06
  4. Step 4: Simplify right side
    31,648.32x = 1,283,435,659.60
  5. Step 5: Solve for x
    x = 1,283,435,659.60/31,648.32
  6. Step 6: Final answer
    x = 40,553.04

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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.