Home / 31,376.30-43,337.89-23,453.90

Finding the Fourth Proportional to 31,376.30, 43,337.89 and 23,453.90

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Solution

The fourth proportional to 31,376.30, 43,337.89 and 23,453.90 is: 32,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,376.30 : 43,337.89 = 23,453.90 : x
  2. Step 2: Convert to fraction form
    31,376.30/43,337.89 = 23,453.90/x
  3. Step 3: Cross multiply
    31,376.30x = 43,337.89 × 23,453.90
  4. Step 4: Simplify right side
    31,376.30x = 1,016,442,321.58
  5. Step 5: Solve for x
    x = 1,016,442,321.58/31,376.30
  6. Step 6: Final answer
    x = 32,395.23

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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.