Home / 31,418.28-43,357.23-17,993.99

Finding the Fourth Proportional to 31,418.28, 43,357.23 and 17,993.99

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Solution

The fourth proportional to 31,418.28, 43,357.23 and 17,993.99 is: 24,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.28 : 43,357.23 = 17,993.99 : x
  2. Step 2: Convert to fraction form
    31,418.28/43,357.23 = 17,993.99/x
  3. Step 3: Cross multiply
    31,418.28x = 43,357.23 × 17,993.99
  4. Step 4: Simplify right side
    31,418.28x = 780,169,346.26
  5. Step 5: Solve for x
    x = 780,169,346.26/31,418.28
  6. Step 6: Final answer
    x = 24,831.70

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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.