Home / 31,868.04-43,976.28-17,718.12

Finding the Fourth Proportional to 31,868.04, 43,976.28 and 17,718.12

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Solution

The fourth proportional to 31,868.04, 43,976.28 and 17,718.12 is: 24,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.04 : 43,976.28 = 17,718.12 : x
  2. Step 2: Convert to fraction form
    31,868.04/43,976.28 = 17,718.12/x
  3. Step 3: Cross multiply
    31,868.04x = 43,976.28 × 17,718.12
  4. Step 4: Simplify right side
    31,868.04x = 779,177,006.19
  5. Step 5: Solve for x
    x = 779,177,006.19/31,868.04
  6. Step 6: Final answer
    x = 24,450.11

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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.