Home / 45,288.20-67,932.30-34,920.20

Finding the Fourth Proportional to 45,288.20, 67,932.30 and 34,920.20

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Solution

The fourth proportional to 45,288.20, 67,932.30 and 34,920.20 is: 52,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.20 : 67,932.30 = 34,920.20 : x
  2. Step 2: Convert to fraction form
    45,288.20/67,932.30 = 34,920.20/x
  3. Step 3: Cross multiply
    45,288.20x = 67,932.30 × 34,920.20
  4. Step 4: Simplify right side
    45,288.20x = 2,372,209,502.46
  5. Step 5: Solve for x
    x = 2,372,209,502.46/45,288.20
  6. Step 6: Final answer
    x = 52,380.30

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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.