Home / 31,014.24-42,799.18-16,866.76

Finding the Fourth Proportional to 31,014.24, 42,799.18 and 16,866.76

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Solution

The fourth proportional to 31,014.24, 42,799.18 and 16,866.76 is: 23,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,014.24 : 42,799.18 = 16,866.76 : x
  2. Step 2: Convert to fraction form
    31,014.24/42,799.18 = 16,866.76/x
  3. Step 3: Cross multiply
    31,014.24x = 42,799.18 × 16,866.76
  4. Step 4: Simplify right side
    31,014.24x = 721,883,497.26
  5. Step 5: Solve for x
    x = 721,883,497.26/31,014.24
  6. Step 6: Final answer
    x = 23,275.87

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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.