Home / 36,802.93-55,220.80-13,423.90

Finding the Fourth Proportional to 36,802.93, 55,220.80 and 13,423.90

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Solution

The fourth proportional to 36,802.93, 55,220.80 and 13,423.90 is: 20,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,802.93 : 55,220.80 = 13,423.90 : x
  2. Step 2: Convert to fraction form
    36,802.93/55,220.80 = 13,423.90/x
  3. Step 3: Cross multiply
    36,802.93x = 55,220.80 × 13,423.90
  4. Step 4: Simplify right side
    36,802.93x = 741,278,497.12
  5. Step 5: Solve for x
    x = 741,278,497.12/36,802.93
  6. Step 6: Final answer
    x = 20,141.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.