Home / 71,273.25-98,354.07-39,440.25

Finding the Fourth Proportional to 71,273.25, 98,354.07 and 39,440.25

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Solution

The fourth proportional to 71,273.25, 98,354.07 and 39,440.25 is: 54,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.25 : 98,354.07 = 39,440.25 : x
  2. Step 2: Convert to fraction form
    71,273.25/98,354.07 = 39,440.25/x
  3. Step 3: Cross multiply
    71,273.25x = 98,354.07 × 39,440.25
  4. Step 4: Simplify right side
    71,273.25x = 3,879,109,109.32
  5. Step 5: Solve for x
    x = 3,879,109,109.32/71,273.25
  6. Step 6: Final answer
    x = 54,425.88

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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.