Home / 31,764.20-43,831.50-17,616.74

Finding the Fourth Proportional to 31,764.20, 43,831.50 and 17,616.74

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Solution

The fourth proportional to 31,764.20, 43,831.50 and 17,616.74 is: 24,309.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,764.20 : 43,831.50 = 17,616.74 : x
  2. Step 2: Convert to fraction form
    31,764.20/43,831.50 = 17,616.74/x
  3. Step 3: Cross multiply
    31,764.20x = 43,831.50 × 17,616.74
  4. Step 4: Simplify right side
    31,764.20x = 772,168,139.31
  5. Step 5: Solve for x
    x = 772,168,139.31/31,764.20
  6. Step 6: Final answer
    x = 24,309.38

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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.