Home / 31,521.36-43,519.74-19,600.92

Finding the Fourth Proportional to 31,521.36, 43,519.74 and 19,600.92

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Solution

The fourth proportional to 31,521.36, 43,519.74 and 19,600.92 is: 27,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.36 : 43,519.74 = 19,600.92 : x
  2. Step 2: Convert to fraction form
    31,521.36/43,519.74 = 19,600.92/x
  3. Step 3: Cross multiply
    31,521.36x = 43,519.74 × 19,600.92
  4. Step 4: Simplify right side
    31,521.36x = 853,026,942.16
  5. Step 5: Solve for x
    x = 853,026,942.16/31,521.36
  6. Step 6: Final answer
    x = 27,061.87

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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.