Home / 31,502.48-43,479.70-18,082.80

Finding the Fourth Proportional to 31,502.48, 43,479.70 and 18,082.80

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Solution

The fourth proportional to 31,502.48, 43,479.70 and 18,082.80 is: 24,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502.48 : 43,479.70 = 18,082.80 : x
  2. Step 2: Convert to fraction form
    31,502.48/43,479.70 = 18,082.80/x
  3. Step 3: Cross multiply
    31,502.48x = 43,479.70 × 18,082.80
  4. Step 4: Simplify right side
    31,502.48x = 786,234,719.16
  5. Step 5: Solve for x
    x = 786,234,719.16/31,502.48
  6. Step 6: Final answer
    x = 24,957.87

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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.