Home / 38,557.56-53,218.30-25,105.40

Finding the Fourth Proportional to 38,557.56, 53,218.30 and 25,105.40

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Solution

The fourth proportional to 38,557.56, 53,218.30 and 25,105.40 is: 34,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.56 : 53,218.30 = 25,105.40 : x
  2. Step 2: Convert to fraction form
    38,557.56/53,218.30 = 25,105.40/x
  3. Step 3: Cross multiply
    38,557.56x = 53,218.30 × 25,105.40
  4. Step 4: Simplify right side
    38,557.56x = 1,336,066,708.82
  5. Step 5: Solve for x
    x = 1,336,066,708.82/38,557.56
  6. Step 6: Final answer
    x = 34,651.23

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Similar ratio
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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.