Home / 39,819.13-54,947.57-23,685.55

Finding the Fourth Proportional to 39,819.13, 54,947.57 and 23,685.55

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Solution

The fourth proportional to 39,819.13, 54,947.57 and 23,685.55 is: 32,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.13 : 54,947.57 = 23,685.55 : x
  2. Step 2: Convert to fraction form
    39,819.13/54,947.57 = 23,685.55/x
  3. Step 3: Cross multiply
    39,819.13x = 54,947.57 × 23,685.55
  4. Step 4: Simplify right side
    39,819.13x = 1,301,463,160.82
  5. Step 5: Solve for x
    x = 1,301,463,160.82/39,819.13
  6. Step 6: Final answer
    x = 32,684.37

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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.