Home / 38,434.80-57,652.20-34,206.60

Finding the Fourth Proportional to 38,434.80, 57,652.20 and 34,206.60

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Solution

The fourth proportional to 38,434.80, 57,652.20 and 34,206.60 is: 51,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.80 : 57,652.20 = 34,206.60 : x
  2. Step 2: Convert to fraction form
    38,434.80/57,652.20 = 34,206.60/x
  3. Step 3: Cross multiply
    38,434.80x = 57,652.20 × 34,206.60
  4. Step 4: Simplify right side
    38,434.80x = 1,972,085,744.52
  5. Step 5: Solve for x
    x = 1,972,085,744.52/38,434.80
  6. Step 6: Final answer
    x = 51,309.90

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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.