Home / 31,788-43,867.44-17,643.12

Finding the Fourth Proportional to 31,788, 43,867.44 and 17,643.12

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Solution

The fourth proportional to 31,788, 43,867.44 and 17,643.12 is: 24,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788 : 43,867.44 = 17,643.12 : x
  2. Step 2: Convert to fraction form
    31,788/43,867.44 = 17,643.12/x
  3. Step 3: Cross multiply
    31,788x = 43,867.44 × 17,643.12
  4. Step 4: Simplify right side
    31,788x = 773,958,508.01
  5. Step 5: Solve for x
    x = 773,958,508.01/31,788
  6. Step 6: Final answer
    x = 24,347.51

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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.