Home / 39,201.76-54,093.18-23,280.40

Finding the Fourth Proportional to 39,201.76, 54,093.18 and 23,280.40

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Solution

The fourth proportional to 39,201.76, 54,093.18 and 23,280.40 is: 32,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.76 : 54,093.18 = 23,280.40 : x
  2. Step 2: Convert to fraction form
    39,201.76/54,093.18 = 23,280.40/x
  3. Step 3: Cross multiply
    39,201.76x = 54,093.18 × 23,280.40
  4. Step 4: Simplify right side
    39,201.76x = 1,259,310,867.67
  5. Step 5: Solve for x
    x = 1,259,310,867.67/39,201.76
  6. Step 6: Final answer
    x = 32,123.83

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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.