Home / 38,561.78-53,199.56-25,128.13

Finding the Fourth Proportional to 38,561.78, 53,199.56 and 25,128.13

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Solution

The fourth proportional to 38,561.78, 53,199.56 and 25,128.13 is: 34,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,561.78 : 53,199.56 = 25,128.13 : x
  2. Step 2: Convert to fraction form
    38,561.78/53,199.56 = 25,128.13/x
  3. Step 3: Cross multiply
    38,561.78x = 53,199.56 × 25,128.13
  4. Step 4: Simplify right side
    38,561.78x = 1,336,805,067.98
  5. Step 5: Solve for x
    x = 1,336,805,067.98/38,561.78
  6. Step 6: Final answer
    x = 34,666.59

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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.