Home / 71,020.24-98,008.26-39,189.16

Finding the Fourth Proportional to 71,020.24, 98,008.26 and 39,189.16

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Solution

The fourth proportional to 71,020.24, 98,008.26 and 39,189.16 is: 54,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,020.24 : 98,008.26 = 39,189.16 : x
  2. Step 2: Convert to fraction form
    71,020.24/98,008.26 = 39,189.16/x
  3. Step 3: Cross multiply
    71,020.24x = 98,008.26 × 39,189.16
  4. Step 4: Simplify right side
    71,020.24x = 3,840,861,382.46
  5. Step 5: Solve for x
    x = 3,840,861,382.46/71,020.24
  6. Step 6: Final answer
    x = 54,081.22

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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.