Home / 71,022.15-98,008.21-39,191.07

Finding the Fourth Proportional to 71,022.15, 98,008.21 and 39,191.07

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Solution

The fourth proportional to 71,022.15, 98,008.21 and 39,191.07 is: 54,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.15 : 98,008.21 = 39,191.07 : x
  2. Step 2: Convert to fraction form
    71,022.15/98,008.21 = 39,191.07/x
  3. Step 3: Cross multiply
    71,022.15x = 98,008.21 × 39,191.07
  4. Step 4: Simplify right side
    71,022.15x = 3,841,046,618.68
  5. Step 5: Solve for x
    x = 3,841,046,618.68/71,022.15
  6. Step 6: Final answer
    x = 54,082.38

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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.