Home / 45,226.20-67,839.30-31,229.40

Finding the Fourth Proportional to 45,226.20, 67,839.30 and 31,229.40

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Solution

The fourth proportional to 45,226.20, 67,839.30 and 31,229.40 is: 46,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,226.20 : 67,839.30 = 31,229.40 : x
  2. Step 2: Convert to fraction form
    45,226.20/67,839.30 = 31,229.40/x
  3. Step 3: Cross multiply
    45,226.20x = 67,839.30 × 31,229.40
  4. Step 4: Simplify right side
    45,226.20x = 2,118,580,635.42
  5. Step 5: Solve for x
    x = 2,118,580,635.42/45,226.20
  6. Step 6: Final answer
    x = 46,844.10

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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.