Home / 36,560.12-54,840.20-13,186.56

Finding the Fourth Proportional to 36,560.12, 54,840.20 and 13,186.56

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Solution

The fourth proportional to 36,560.12, 54,840.20 and 13,186.56 is: 19,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,560.12 : 54,840.20 = 13,186.56 : x
  2. Step 2: Convert to fraction form
    36,560.12/54,840.20 = 13,186.56/x
  3. Step 3: Cross multiply
    36,560.12x = 54,840.20 × 13,186.56
  4. Step 4: Simplify right side
    36,560.12x = 723,153,521.78
  5. Step 5: Solve for x
    x = 723,153,521.78/36,560.12
  6. Step 6: Final answer
    x = 19,779.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.