Home / 31,508.79-43,481.77-17,896.74

Finding the Fourth Proportional to 31,508.79, 43,481.77 and 17,896.74

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Solution

The fourth proportional to 31,508.79, 43,481.77 and 17,896.74 is: 24,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.79 : 43,481.77 = 17,896.74 : x
  2. Step 2: Convert to fraction form
    31,508.79/43,481.77 = 17,896.74/x
  3. Step 3: Cross multiply
    31,508.79x = 43,481.77 × 17,896.74
  4. Step 4: Simplify right side
    31,508.79x = 778,181,932.43
  5. Step 5: Solve for x
    x = 778,181,932.43/31,508.79
  6. Step 6: Final answer
    x = 24,697.30

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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.