Home / 71,227.44-98,298.02-39,399.30

Finding the Fourth Proportional to 71,227.44, 98,298.02 and 39,399.30

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Solution

The fourth proportional to 71,227.44, 98,298.02 and 39,399.30 is: 54,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,227.44 : 98,298.02 = 39,399.30 : x
  2. Step 2: Convert to fraction form
    71,227.44/98,298.02 = 39,399.30/x
  3. Step 3: Cross multiply
    71,227.44x = 98,298.02 × 39,399.30
  4. Step 4: Simplify right side
    71,227.44x = 3,872,873,277.88
  5. Step 5: Solve for x
    x = 3,872,873,277.88/71,227.44
  6. Step 6: Final answer
    x = 54,373.33

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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.