Home / 31,414.32-43,351.65-17,985.33

Finding the Fourth Proportional to 31,414.32, 43,351.65 and 17,985.33

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Solution

The fourth proportional to 31,414.32, 43,351.65 and 17,985.33 is: 24,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,414.32 : 43,351.65 = 17,985.33 : x
  2. Step 2: Convert to fraction form
    31,414.32/43,351.65 = 17,985.33/x
  3. Step 3: Cross multiply
    31,414.32x = 43,351.65 × 17,985.33
  4. Step 4: Simplify right side
    31,414.32x = 779,693,731.29
  5. Step 5: Solve for x
    x = 779,693,731.29/31,414.32
  6. Step 6: Final answer
    x = 24,819.69

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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.