Home / 39,212.76-54,114.92-23,077.15

Finding the Fourth Proportional to 39,212.76, 54,114.92 and 23,077.15

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Solution

The fourth proportional to 39,212.76, 54,114.92 and 23,077.15 is: 31,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,212.76 : 54,114.92 = 23,077.15 : x
  2. Step 2: Convert to fraction form
    39,212.76/54,114.92 = 23,077.15/x
  3. Step 3: Cross multiply
    39,212.76x = 54,114.92 × 23,077.15
  4. Step 4: Simplify right side
    39,212.76x = 1,248,817,961.94
  5. Step 5: Solve for x
    x = 1,248,817,961.94/39,212.76
  6. Step 6: Final answer
    x = 31,847.23

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Double scale
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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.