Home / 36,487.80-54,721.98-18,706.68

Finding the Fourth Proportional to 36,487.80, 54,721.98 and 18,706.68

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Solution

The fourth proportional to 36,487.80, 54,721.98 and 18,706.68 is: 28,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,487.80 : 54,721.98 = 18,706.68 : x
  2. Step 2: Convert to fraction form
    36,487.80/54,721.98 = 18,706.68/x
  3. Step 3: Cross multiply
    36,487.80x = 54,721.98 × 18,706.68
  4. Step 4: Simplify right side
    36,487.80x = 1,023,666,568.83
  5. Step 5: Solve for x
    x = 1,023,666,568.83/36,487.80
  6. Step 6: Final answer
    x = 28,055.04

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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.