Home / 31,502.64-43,475.36-18,073.80

Finding the Fourth Proportional to 31,502.64, 43,475.36 and 18,073.80

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Solution

The fourth proportional to 31,502.64, 43,475.36 and 18,073.80 is: 24,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.64 : 43,475.36 = 18,073.80 : x
  2. Step 2: Convert to fraction form
    31,502.64/43,475.36 = 18,073.80/x
  3. Step 3: Cross multiply
    31,502.64x = 43,475.36 × 18,073.80
  4. Step 4: Simplify right side
    31,502.64x = 785,764,961.57
  5. Step 5: Solve for x
    x = 785,764,961.57/31,502.64
  6. Step 6: Final answer
    x = 24,942.83

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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.