Home / 45,040.38-67,559.20-18,744.45

Finding the Fourth Proportional to 45,040.38, 67,559.20 and 18,744.45

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Solution

The fourth proportional to 45,040.38, 67,559.20 and 18,744.45 is: 28,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,040.38 : 67,559.20 = 18,744.45 : x
  2. Step 2: Convert to fraction form
    45,040.38/67,559.20 = 18,744.45/x
  3. Step 3: Cross multiply
    45,040.38x = 67,559.20 × 18,744.45
  4. Step 4: Simplify right side
    45,040.38x = 1,266,360,046.44
  5. Step 5: Solve for x
    x = 1,266,360,046.44/45,040.38
  6. Step 6: Final answer
    x = 28,116.10

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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.