Home / 36,421.80-54,671.56-15,659.88

Finding the Fourth Proportional to 36,421.80, 54,671.56 and 15,659.88

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Solution

The fourth proportional to 36,421.80, 54,671.56 and 15,659.88 is: 23,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.80 : 54,671.56 = 15,659.88 : x
  2. Step 2: Convert to fraction form
    36,421.80/54,671.56 = 15,659.88/x
  3. Step 3: Cross multiply
    36,421.80x = 54,671.56 × 15,659.88
  4. Step 4: Simplify right side
    36,421.80x = 856,150,069.01
  5. Step 5: Solve for x
    x = 856,150,069.01/36,421.80
  6. Step 6: Final answer
    x = 23,506.53

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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.