Home / 55,728.62-83,450.19-30,740.88

Finding the Fourth Proportional to 55,728.62, 83,450.19 and 30,740.88

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Solution

The fourth proportional to 55,728.62, 83,450.19 and 30,740.88 is: 46,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.62 : 83,450.19 = 30,740.88 : x
  2. Step 2: Convert to fraction form
    55,728.62/83,450.19 = 30,740.88/x
  3. Step 3: Cross multiply
    55,728.62x = 83,450.19 × 30,740.88
  4. Step 4: Simplify right side
    55,728.62x = 2,565,332,276.77
  5. Step 5: Solve for x
    x = 2,565,332,276.77/55,728.62
  6. Step 6: Final answer
    x = 46,032.59

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1.5x scale

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.