Home / 36,560.42-54,840.65-13,186.86

Finding the Fourth Proportional to 36,560.42, 54,840.65 and 13,186.86

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Solution

The fourth proportional to 36,560.42, 54,840.65 and 13,186.86 is: 19,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,560.42 : 54,840.65 = 13,186.86 : x
  2. Step 2: Convert to fraction form
    36,560.42/54,840.65 = 13,186.86/x
  3. Step 3: Cross multiply
    36,560.42x = 54,840.65 × 13,186.86
  4. Step 4: Simplify right side
    36,560.42x = 723,175,912.14
  5. Step 5: Solve for x
    x = 723,175,912.14/36,560.42
  6. Step 6: Final answer
    x = 19,780.29

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1.5x scale

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.