Home / 31,470.41-43,424.07-18,039.19

Finding the Fourth Proportional to 31,470.41, 43,424.07 and 18,039.19

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Solution

The fourth proportional to 31,470.41, 43,424.07 and 18,039.19 is: 24,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.41 : 43,424.07 = 18,039.19 : x
  2. Step 2: Convert to fraction form
    31,470.41/43,424.07 = 18,039.19/x
  3. Step 3: Cross multiply
    31,470.41x = 43,424.07 × 18,039.19
  4. Step 4: Simplify right side
    31,470.41x = 783,335,049.30
  5. Step 5: Solve for x
    x = 783,335,049.30/31,470.41
  6. Step 6: Final answer
    x = 24,891.16

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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.