Home / 35,122.38-48,470.22-20,017.43

Finding the Fourth Proportional to 35,122.38, 48,470.22 and 20,017.43

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Solution

The fourth proportional to 35,122.38, 48,470.22 and 20,017.43 is: 27,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.38 : 48,470.22 = 20,017.43 : x
  2. Step 2: Convert to fraction form
    35,122.38/48,470.22 = 20,017.43/x
  3. Step 3: Cross multiply
    35,122.38x = 48,470.22 × 20,017.43
  4. Step 4: Simplify right side
    35,122.38x = 970,249,231.65
  5. Step 5: Solve for x
    x = 970,249,231.65/35,122.38
  6. Step 6: Final answer
    x = 27,624.81

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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.