Home / 33,275.72-45,919.18-18,169.02

Finding the Fourth Proportional to 33,275.72, 45,919.18 and 18,169.02

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Solution

The fourth proportional to 33,275.72, 45,919.18 and 18,169.02 is: 25,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,275.72 : 45,919.18 = 18,169.02 : x
  2. Step 2: Convert to fraction form
    33,275.72/45,919.18 = 18,169.02/x
  3. Step 3: Cross multiply
    33,275.72x = 45,919.18 × 18,169.02
  4. Step 4: Simplify right side
    33,275.72x = 834,306,545.23
  5. Step 5: Solve for x
    x = 834,306,545.23/33,275.72
  6. Step 6: Final answer
    x = 25,072.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.