Home / 61,517.28-92,217.60-30,316.08

Finding the Fourth Proportional to 61,517.28, 92,217.60 and 30,316.08

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Solution

The fourth proportional to 61,517.28, 92,217.60 and 30,316.08 is: 45,445.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.28 : 92,217.60 = 30,316.08 : x
  2. Step 2: Convert to fraction form
    61,517.28/92,217.60 = 30,316.08/x
  3. Step 3: Cross multiply
    61,517.28x = 92,217.60 × 30,316.08
  4. Step 4: Simplify right side
    61,517.28x = 2,795,676,139.01
  5. Step 5: Solve for x
    x = 2,795,676,139.01/61,517.28
  6. Step 6: Final answer
    x = 45,445.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.