Home / 71,233-98,302.20-38,966.98

Finding the Fourth Proportional to 71,233, 98,302.20 and 38,966.98

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Solution

The fourth proportional to 71,233, 98,302.20 and 38,966.98 is: 53,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,233 : 98,302.20 = 38,966.98 : x
  2. Step 2: Convert to fraction form
    71,233/98,302.20 = 38,966.98/x
  3. Step 3: Cross multiply
    71,233x = 98,302.20 × 38,966.98
  4. Step 4: Simplify right side
    71,233x = 3,830,539,861.36
  5. Step 5: Solve for x
    x = 3,830,539,861.36/71,233
  6. Step 6: Final answer
    x = 53,774.79

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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.