Home / 39,400.75-54,365.61-23,486.68

Finding the Fourth Proportional to 39,400.75, 54,365.61 and 23,486.68

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Solution

The fourth proportional to 39,400.75, 54,365.61 and 23,486.68 is: 32,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.75 : 54,365.61 = 23,486.68 : x
  2. Step 2: Convert to fraction form
    39,400.75/54,365.61 = 23,486.68/x
  3. Step 3: Cross multiply
    39,400.75x = 54,365.61 × 23,486.68
  4. Step 4: Simplify right side
    39,400.75x = 1,276,867,685.07
  5. Step 5: Solve for x
    x = 1,276,867,685.07/39,400.75
  6. Step 6: Final answer
    x = 32,407.19

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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.