Home / 36,357.28-54,438.66-21,352.04

Finding the Fourth Proportional to 36,357.28, 54,438.66 and 21,352.04

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Solution

The fourth proportional to 36,357.28, 54,438.66 and 21,352.04 is: 31,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,357.28 : 54,438.66 = 21,352.04 : x
  2. Step 2: Convert to fraction form
    36,357.28/54,438.66 = 21,352.04/x
  3. Step 3: Cross multiply
    36,357.28x = 54,438.66 × 21,352.04
  4. Step 4: Simplify right side
    36,357.28x = 1,162,376,445.87
  5. Step 5: Solve for x
    x = 1,162,376,445.87/36,357.28
  6. Step 6: Final answer
    x = 31,970.94

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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.