Home / 71,523.29-98,699.36-39,258.56

Finding the Fourth Proportional to 71,523.29, 98,699.36 and 39,258.56

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Solution

The fourth proportional to 71,523.29, 98,699.36 and 39,258.56 is: 54,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523.29 : 98,699.36 = 39,258.56 : x
  2. Step 2: Convert to fraction form
    71,523.29/98,699.36 = 39,258.56/x
  3. Step 3: Cross multiply
    71,523.29x = 98,699.36 × 39,258.56
  4. Step 4: Simplify right side
    71,523.29x = 3,874,794,056.73
  5. Step 5: Solve for x
    x = 3,874,794,056.73/71,523.29
  6. Step 6: Final answer
    x = 54,175.28

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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.