Home / 41,319.70-61,979.55-40,930.90

Finding the Fourth Proportional to 41,319.70, 61,979.55 and 40,930.90

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Solution

The fourth proportional to 41,319.70, 61,979.55 and 40,930.90 is: 61,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,319.70 : 61,979.55 = 40,930.90 : x
  2. Step 2: Convert to fraction form
    41,319.70/61,979.55 = 40,930.90/x
  3. Step 3: Cross multiply
    41,319.70x = 61,979.55 × 40,930.90
  4. Step 4: Simplify right side
    41,319.70x = 2,536,878,763.10
  5. Step 5: Solve for x
    x = 2,536,878,763.10/41,319.70
  6. Step 6: Final answer
    x = 61,396.35

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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.