Home / 38,429.80-57,644.70-34,493.20

Finding the Fourth Proportional to 38,429.80, 57,644.70 and 34,493.20

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Solution

The fourth proportional to 38,429.80, 57,644.70 and 34,493.20 is: 51,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.80 : 57,644.70 = 34,493.20 : x
  2. Step 2: Convert to fraction form
    38,429.80/57,644.70 = 34,493.20/x
  3. Step 3: Cross multiply
    38,429.80x = 57,644.70 × 34,493.20
  4. Step 4: Simplify right side
    38,429.80x = 1,988,350,166.04
  5. Step 5: Solve for x
    x = 1,988,350,166.04/38,429.80
  6. Step 6: Final answer
    x = 51,739.80

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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.