Home / 39,802.16-54,908.60-25,659.56

Finding the Fourth Proportional to 39,802.16, 54,908.60 and 25,659.56

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Solution

The fourth proportional to 39,802.16, 54,908.60 and 25,659.56 is: 35,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.16 : 54,908.60 = 25,659.56 : x
  2. Step 2: Convert to fraction form
    39,802.16/54,908.60 = 25,659.56/x
  3. Step 3: Cross multiply
    39,802.16x = 54,908.60 × 25,659.56
  4. Step 4: Simplify right side
    39,802.16x = 1,408,930,516.22
  5. Step 5: Solve for x
    x = 1,408,930,516.22/39,802.16
  6. Step 6: Final answer
    x = 35,398.34

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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.