Home / 71,246.06-98,314.15-39,414.28

Finding the Fourth Proportional to 71,246.06, 98,314.15 and 39,414.28

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Solution

The fourth proportional to 71,246.06, 98,314.15 and 39,414.28 is: 54,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,246.06 : 98,314.15 = 39,414.28 : x
  2. Step 2: Convert to fraction form
    71,246.06/98,314.15 = 39,414.28/x
  3. Step 3: Cross multiply
    71,246.06x = 98,314.15 × 39,414.28
  4. Step 4: Simplify right side
    71,246.06x = 3,874,980,993.21
  5. Step 5: Solve for x
    x = 3,874,980,993.21/71,246.06
  6. Step 6: Final answer
    x = 54,388.70

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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.