Home / 45,288.20-67,932.30-36,540.20

Finding the Fourth Proportional to 45,288.20, 67,932.30 and 36,540.20

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Solution

The fourth proportional to 45,288.20, 67,932.30 and 36,540.20 is: 54,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.20 : 67,932.30 = 36,540.20 : x
  2. Step 2: Convert to fraction form
    45,288.20/67,932.30 = 36,540.20/x
  3. Step 3: Cross multiply
    45,288.20x = 67,932.30 × 36,540.20
  4. Step 4: Simplify right side
    45,288.20x = 2,482,259,828.46
  5. Step 5: Solve for x
    x = 2,482,259,828.46/45,288.20
  6. Step 6: Final answer
    x = 54,810.30

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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.