Home / 31,796.80-43,880.12-17,649.72

Finding the Fourth Proportional to 31,796.80, 43,880.12 and 17,649.72

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Solution

The fourth proportional to 31,796.80, 43,880.12 and 17,649.72 is: 24,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796.80 : 43,880.12 = 17,649.72 : x
  2. Step 2: Convert to fraction form
    31,796.80/43,880.12 = 17,649.72/x
  3. Step 3: Cross multiply
    31,796.80x = 43,880.12 × 17,649.72
  4. Step 4: Simplify right side
    31,796.80x = 774,471,831.57
  5. Step 5: Solve for x
    x = 774,471,831.57/31,796.80
  6. Step 6: Final answer
    x = 24,356.91

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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.