Home / 29,219.33-40,319.47-17,891.69

Finding the Fourth Proportional to 29,219.33, 40,319.47 and 17,891.69

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Solution

The fourth proportional to 29,219.33, 40,319.47 and 17,891.69 is: 24,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.33 : 40,319.47 = 17,891.69 : x
  2. Step 2: Convert to fraction form
    29,219.33/40,319.47 = 17,891.69/x
  3. Step 3: Cross multiply
    29,219.33x = 40,319.47 × 17,891.69
  4. Step 4: Simplify right side
    29,219.33x = 721,383,278.97
  5. Step 5: Solve for x
    x = 721,383,278.97/29,219.33
  6. Step 6: Final answer
    x = 24,688.56

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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.