Home / 39,419.06-54,398.86-23,512.74

Finding the Fourth Proportional to 39,419.06, 54,398.86 and 23,512.74

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Solution

The fourth proportional to 39,419.06, 54,398.86 and 23,512.74 is: 32,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.06 : 54,398.86 = 23,512.74 : x
  2. Step 2: Convert to fraction form
    39,419.06/54,398.86 = 23,512.74/x
  3. Step 3: Cross multiply
    39,419.06x = 54,398.86 × 23,512.74
  4. Step 4: Simplify right side
    39,419.06x = 1,279,066,251.48
  5. Step 5: Solve for x
    x = 1,279,066,251.48/39,419.06
  6. Step 6: Final answer
    x = 32,447.91

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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.