Home / 41,621.40-62,432.10-40,930.20

Finding the Fourth Proportional to 41,621.40, 62,432.10 and 40,930.20

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Solution

The fourth proportional to 41,621.40, 62,432.10 and 40,930.20 is: 61,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,621.40 : 62,432.10 = 40,930.20 : x
  2. Step 2: Convert to fraction form
    41,621.40/62,432.10 = 40,930.20/x
  3. Step 3: Cross multiply
    41,621.40x = 62,432.10 × 40,930.20
  4. Step 4: Simplify right side
    41,621.40x = 2,555,358,339.42
  5. Step 5: Solve for x
    x = 2,555,358,339.42/41,621.40
  6. Step 6: Final answer
    x = 61,395.30

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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.