Home / 31,340.39-43,252.68-17,909.02

Finding the Fourth Proportional to 31,340.39, 43,252.68 and 17,909.02

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Solution

The fourth proportional to 31,340.39, 43,252.68 and 17,909.02 is: 24,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.39 : 43,252.68 = 17,909.02 : x
  2. Step 2: Convert to fraction form
    31,340.39/43,252.68 = 17,909.02/x
  3. Step 3: Cross multiply
    31,340.39x = 43,252.68 × 17,909.02
  4. Step 4: Simplify right side
    31,340.39x = 774,613,354.05
  5. Step 5: Solve for x
    x = 774,613,354.05/31,340.39
  6. Step 6: Final answer
    x = 24,716.13

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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.