Home / 39,735.36-54,836.19-22,742.57

Finding the Fourth Proportional to 39,735.36, 54,836.19 and 22,742.57

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Solution

The fourth proportional to 39,735.36, 54,836.19 and 22,742.57 is: 31,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,735.36 : 54,836.19 = 22,742.57 : x
  2. Step 2: Convert to fraction form
    39,735.36/54,836.19 = 22,742.57/x
  3. Step 3: Cross multiply
    39,735.36x = 54,836.19 × 22,742.57
  4. Step 4: Simplify right side
    39,735.36x = 1,247,116,026.70
  5. Step 5: Solve for x
    x = 1,247,116,026.70/39,735.36
  6. Step 6: Final answer
    x = 31,385.55

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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.