Home / 71,448.97-98,600.94-39,181.55

Finding the Fourth Proportional to 71,448.97, 98,600.94 and 39,181.55

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Solution

The fourth proportional to 71,448.97, 98,600.94 and 39,181.55 is: 54,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.97 : 98,600.94 = 39,181.55 : x
  2. Step 2: Convert to fraction form
    71,448.97/98,600.94 = 39,181.55/x
  3. Step 3: Cross multiply
    71,448.97x = 98,600.94 × 39,181.55
  4. Step 4: Simplify right side
    71,448.97x = 3,863,337,480.09
  5. Step 5: Solve for x
    x = 3,863,337,480.09/71,448.97
  6. Step 6: Final answer
    x = 54,071.28

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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.