Home / 71,264.26-98,343.21-39,431.26

Finding the Fourth Proportional to 71,264.26, 98,343.21 and 39,431.26

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Solution

The fourth proportional to 71,264.26, 98,343.21 and 39,431.26 is: 54,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,264.26 : 98,343.21 = 39,431.26 : x
  2. Step 2: Convert to fraction form
    71,264.26/98,343.21 = 39,431.26/x
  3. Step 3: Cross multiply
    71,264.26x = 98,343.21 × 39,431.26
  4. Step 4: Simplify right side
    71,264.26x = 3,877,796,682.74
  5. Step 5: Solve for x
    x = 3,877,796,682.74/71,264.26
  6. Step 6: Final answer
    x = 54,414.33

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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.