Home / 31,014.11-42,798.24-16,866.97

Finding the Fourth Proportional to 31,014.11, 42,798.24 and 16,866.97

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Solution

The fourth proportional to 31,014.11, 42,798.24 and 16,866.97 is: 23,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.11 : 42,798.24 = 16,866.97 : x
  2. Step 2: Convert to fraction form
    31,014.11/42,798.24 = 16,866.97/x
  3. Step 3: Cross multiply
    31,014.11x = 42,798.24 × 16,866.97
  4. Step 4: Simplify right side
    31,014.11x = 721,876,523.14
  5. Step 5: Solve for x
    x = 721,876,523.14/31,014.11
  6. Step 6: Final answer
    x = 23,275.74

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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.