Home / 71,031.33-98,023.50-39,200.22

Finding the Fourth Proportional to 71,031.33, 98,023.50 and 39,200.22

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Solution

The fourth proportional to 71,031.33, 98,023.50 and 39,200.22 is: 54,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,031.33 : 98,023.50 = 39,200.22 : x
  2. Step 2: Convert to fraction form
    71,031.33/98,023.50 = 39,200.22/x
  3. Step 3: Cross multiply
    71,031.33x = 98,023.50 × 39,200.22
  4. Step 4: Simplify right side
    71,031.33x = 3,842,542,765.17
  5. Step 5: Solve for x
    x = 3,842,542,765.17/71,031.33
  6. Step 6: Final answer
    x = 54,096.45

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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.