Home / 36,658.12-54,986.70-8,956.36

Finding the Fourth Proportional to 36,658.12, 54,986.70 and 8,956.36

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Solution

The fourth proportional to 36,658.12, 54,986.70 and 8,956.36 is: 13,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.12 : 54,986.70 = 8,956.36 : x
  2. Step 2: Convert to fraction form
    36,658.12/54,986.70 = 8,956.36/x
  3. Step 3: Cross multiply
    36,658.12x = 54,986.70 × 8,956.36
  4. Step 4: Simplify right side
    36,658.12x = 492,480,680.41
  5. Step 5: Solve for x
    x = 492,480,680.41/36,658.12
  6. Step 6: Final answer
    x = 13,434.42

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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.