Home / 38,793.04-53,538.96-21,797.32

Finding the Fourth Proportional to 38,793.04, 53,538.96 and 21,797.32

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Solution

The fourth proportional to 38,793.04, 53,538.96 and 21,797.32 is: 30,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.04 : 53,538.96 = 21,797.32 : x
  2. Step 2: Convert to fraction form
    38,793.04/53,538.96 = 21,797.32/x
  3. Step 3: Cross multiply
    38,793.04x = 53,538.96 × 21,797.32
  4. Step 4: Simplify right side
    38,793.04x = 1,167,005,843.59
  5. Step 5: Solve for x
    x = 1,167,005,843.59/38,793.04
  6. Step 6: Final answer
    x = 30,082.87

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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.