Home / 61,082.22-91,618.95-18,961.29

Finding the Fourth Proportional to 61,082.22, 91,618.95 and 18,961.29

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Solution

The fourth proportional to 61,082.22, 91,618.95 and 18,961.29 is: 28,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,082.22 : 91,618.95 = 18,961.29 : x
  2. Step 2: Convert to fraction form
    61,082.22/91,618.95 = 18,961.29/x
  3. Step 3: Cross multiply
    61,082.22x = 91,618.95 × 18,961.29
  4. Step 4: Simplify right side
    61,082.22x = 1,737,213,480.45
  5. Step 5: Solve for x
    x = 1,737,213,480.45/61,082.22
  6. Step 6: Final answer
    x = 28,440.58

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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.