Home / 53,082.12-79,632.96-17,545.20

Finding the Fourth Proportional to 53,082.12, 79,632.96 and 17,545.20

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Solution

The fourth proportional to 53,082.12, 79,632.96 and 17,545.20 is: 26,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,082.12 : 79,632.96 = 17,545.20 : x
  2. Step 2: Convert to fraction form
    53,082.12/79,632.96 = 17,545.20/x
  3. Step 3: Cross multiply
    53,082.12x = 79,632.96 × 17,545.20
  4. Step 4: Simplify right side
    53,082.12x = 1,397,176,209.79
  5. Step 5: Solve for x
    x = 1,397,176,209.79/53,082.12
  6. Step 6: Final answer
    x = 26,321.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.