Home / 40,149.69-55,405.10-23,154.65

Finding the Fourth Proportional to 40,149.69, 55,405.10 and 23,154.65

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Solution

The fourth proportional to 40,149.69, 55,405.10 and 23,154.65 is: 31,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,149.69 : 55,405.10 = 23,154.65 : x
  2. Step 2: Convert to fraction form
    40,149.69/55,405.10 = 23,154.65/x
  3. Step 3: Cross multiply
    40,149.69x = 55,405.10 × 23,154.65
  4. Step 4: Simplify right side
    40,149.69x = 1,282,885,721.45
  5. Step 5: Solve for x
    x = 1,282,885,721.45/40,149.69
  6. Step 6: Final answer
    x = 31,952.57

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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.