Home / 40,007.12-55,220.50-23,013.21

Finding the Fourth Proportional to 40,007.12, 55,220.50 and 23,013.21

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Solution

The fourth proportional to 40,007.12, 55,220.50 and 23,013.21 is: 31,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.12 : 55,220.50 = 23,013.21 : x
  2. Step 2: Convert to fraction form
    40,007.12/55,220.50 = 23,013.21/x
  3. Step 3: Cross multiply
    40,007.12x = 55,220.50 × 23,013.21
  4. Step 4: Simplify right side
    40,007.12x = 1,270,801,198.65
  5. Step 5: Solve for x
    x = 1,270,801,198.65/40,007.12
  6. Step 6: Final answer
    x = 31,764.38

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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.