Home / 39,074.78-53,920.21-23,759.20

Finding the Fourth Proportional to 39,074.78, 53,920.21 and 23,759.20

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Solution

The fourth proportional to 39,074.78, 53,920.21 and 23,759.20 is: 32,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,074.78 : 53,920.21 = 23,759.20 : x
  2. Step 2: Convert to fraction form
    39,074.78/53,920.21 = 23,759.20/x
  3. Step 3: Cross multiply
    39,074.78x = 53,920.21 × 23,759.20
  4. Step 4: Simplify right side
    39,074.78x = 1,281,100,724.43
  5. Step 5: Solve for x
    x = 1,281,100,724.43/39,074.78
  6. Step 6: Final answer
    x = 32,785.88

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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.