Home / 31,470.13-43,442.39-22,502.05

Finding the Fourth Proportional to 31,470.13, 43,442.39 and 22,502.05

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Solution

The fourth proportional to 31,470.13, 43,442.39 and 22,502.05 is: 31,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.13 : 43,442.39 = 22,502.05 : x
  2. Step 2: Convert to fraction form
    31,470.13/43,442.39 = 22,502.05/x
  3. Step 3: Cross multiply
    31,470.13x = 43,442.39 × 22,502.05
  4. Step 4: Simplify right side
    31,470.13x = 977,542,831.90
  5. Step 5: Solve for x
    x = 977,542,831.90/31,470.13
  6. Step 6: Final answer
    x = 31,062.56

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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.