Home / 52,418.46-72,340.52-39,474.56

Finding the Fourth Proportional to 52,418.46, 72,340.52 and 39,474.56

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Solution

The fourth proportional to 52,418.46, 72,340.52 and 39,474.56 is: 54,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,418.46 : 72,340.52 = 39,474.56 : x
  2. Step 2: Convert to fraction form
    52,418.46/72,340.52 = 39,474.56/x
  3. Step 3: Cross multiply
    52,418.46x = 72,340.52 × 39,474.56
  4. Step 4: Simplify right side
    52,418.46x = 2,855,610,180.65
  5. Step 5: Solve for x
    x = 2,855,610,180.65/52,418.46
  6. Step 6: Final answer
    x = 54,477.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.