Home / 36,423.80-54,674.56-15,661.88

Finding the Fourth Proportional to 36,423.80, 54,674.56 and 15,661.88

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Solution

The fourth proportional to 36,423.80, 54,674.56 and 15,661.88 is: 23,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,423.80 : 54,674.56 = 15,661.88 : x
  2. Step 2: Convert to fraction form
    36,423.80/54,674.56 = 15,661.88/x
  3. Step 3: Cross multiply
    36,423.80x = 54,674.56 × 15,661.88
  4. Step 4: Simplify right side
    36,423.80x = 856,306,397.77
  5. Step 5: Solve for x
    x = 856,306,397.77/36,423.80
  6. Step 6: Final answer
    x = 23,509.53

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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.