Home / 71,012.24-97,996.81-39,181.13

Finding the Fourth Proportional to 71,012.24, 97,996.81 and 39,181.13

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Solution

The fourth proportional to 71,012.24, 97,996.81 and 39,181.13 is: 54,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,012.24 : 97,996.81 = 39,181.13 : x
  2. Step 2: Convert to fraction form
    71,012.24/97,996.81 = 39,181.13/x
  3. Step 3: Cross multiply
    71,012.24x = 97,996.81 × 39,181.13
  4. Step 4: Simplify right side
    71,012.24x = 3,839,625,556.29
  5. Step 5: Solve for x
    x = 3,839,625,556.29/71,012.24
  6. Step 6: Final answer
    x = 54,069.92

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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.