Home / 36,162.64-54,235.45-20,374.53

Finding the Fourth Proportional to 36,162.64, 54,235.45 and 20,374.53

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Solution

The fourth proportional to 36,162.64, 54,235.45 and 20,374.53 is: 30,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,162.64 : 54,235.45 = 20,374.53 : x
  2. Step 2: Convert to fraction form
    36,162.64/54,235.45 = 20,374.53/x
  3. Step 3: Cross multiply
    36,162.64x = 54,235.45 × 20,374.53
  4. Step 4: Simplify right side
    36,162.64x = 1,105,021,803.09
  5. Step 5: Solve for x
    x = 1,105,021,803.09/36,162.64
  6. Step 6: Final answer
    x = 30,557.00

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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.