Home / 31,891.57-44,015.76-18,470.98

Finding the Fourth Proportional to 31,891.57, 44,015.76 and 18,470.98

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Solution

The fourth proportional to 31,891.57, 44,015.76 and 18,470.98 is: 25,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891.57 : 44,015.76 = 18,470.98 : x
  2. Step 2: Convert to fraction form
    31,891.57/44,015.76 = 18,470.98/x
  3. Step 3: Cross multiply
    31,891.57x = 44,015.76 × 18,470.98
  4. Step 4: Simplify right side
    31,891.57x = 813,014,277.66
  5. Step 5: Solve for x
    x = 813,014,277.66/31,891.57
  6. Step 6: Final answer
    x = 25,493.08

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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.