Home / 38,318.52-57,081.75-37,157.88

Finding the Fourth Proportional to 38,318.52, 57,081.75 and 37,157.88

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Solution

The fourth proportional to 38,318.52, 57,081.75 and 37,157.88 is: 55,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.52 : 57,081.75 = 37,157.88 : x
  2. Step 2: Convert to fraction form
    38,318.52/57,081.75 = 37,157.88/x
  3. Step 3: Cross multiply
    38,318.52x = 57,081.75 × 37,157.88
  4. Step 4: Simplify right side
    38,318.52x = 2,121,036,816.69
  5. Step 5: Solve for x
    x = 2,121,036,816.69/38,318.52
  6. Step 6: Final answer
    x = 55,352.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.