Home / 31,798.73-43,880.20-17,651.48

Finding the Fourth Proportional to 31,798.73, 43,880.20 and 17,651.48

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Solution

The fourth proportional to 31,798.73, 43,880.20 and 17,651.48 is: 24,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798.73 : 43,880.20 = 17,651.48 : x
  2. Step 2: Convert to fraction form
    31,798.73/43,880.20 = 17,651.48/x
  3. Step 3: Cross multiply
    31,798.73x = 43,880.20 × 17,651.48
  4. Step 4: Simplify right side
    31,798.73x = 774,550,209.17
  5. Step 5: Solve for x
    x = 774,550,209.17/31,798.73
  6. Step 6: Final answer
    x = 24,357.90

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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.