Home / 38,919.51-53,659.80-25,469.46

Finding the Fourth Proportional to 38,919.51, 53,659.80 and 25,469.46

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Solution

The fourth proportional to 38,919.51, 53,659.80 and 25,469.46 is: 35,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.51 : 53,659.80 = 25,469.46 : x
  2. Step 2: Convert to fraction form
    38,919.51/53,659.80 = 25,469.46/x
  3. Step 3: Cross multiply
    38,919.51x = 53,659.80 × 25,469.46
  4. Step 4: Simplify right side
    38,919.51x = 1,366,686,129.71
  5. Step 5: Solve for x
    x = 1,366,686,129.71/38,919.51
  6. Step 6: Final answer
    x = 35,115.71

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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.