Home / 41,280.30-61,920.45-10,115.55

Finding the Fourth Proportional to 41,280.30, 61,920.45 and 10,115.55

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Solution

The fourth proportional to 41,280.30, 61,920.45 and 10,115.55 is: 15,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,280.30 : 61,920.45 = 10,115.55 : x
  2. Step 2: Convert to fraction form
    41,280.30/61,920.45 = 10,115.55/x
  3. Step 3: Cross multiply
    41,280.30x = 61,920.45 × 10,115.55
  4. Step 4: Simplify right side
    41,280.30x = 626,359,408.00
  5. Step 5: Solve for x
    x = 626,359,408.00/41,280.30
  6. Step 6: Final answer
    x = 15,173.33

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1.5x scale

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.