Home / 65,340.33-90,168.46-36,660.52

Finding the Fourth Proportional to 65,340.33, 90,168.46 and 36,660.52

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Solution

The fourth proportional to 65,340.33, 90,168.46 and 36,660.52 is: 50,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,340.33 : 90,168.46 = 36,660.52 : x
  2. Step 2: Convert to fraction form
    65,340.33/90,168.46 = 36,660.52/x
  3. Step 3: Cross multiply
    65,340.33x = 90,168.46 × 36,660.52
  4. Step 4: Simplify right side
    65,340.33x = 3,305,622,631.20
  5. Step 5: Solve for x
    x = 3,305,622,631.20/65,340.33
  6. Step 6: Final answer
    x = 50,590.85

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1.5x scale

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.