Home / 39,815.33-54,935.21-25,651.13

Finding the Fourth Proportional to 39,815.33, 54,935.21 and 25,651.13

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Solution

The fourth proportional to 39,815.33, 54,935.21 and 25,651.13 is: 35,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.33 : 54,935.21 = 25,651.13 : x
  2. Step 2: Convert to fraction form
    39,815.33/54,935.21 = 25,651.13/x
  3. Step 3: Cross multiply
    39,815.33x = 54,935.21 × 25,651.13
  4. Step 4: Simplify right side
    39,815.33x = 1,409,150,002.74
  5. Step 5: Solve for x
    x = 1,409,150,002.74/39,815.33
  6. Step 6: Final answer
    x = 35,392.15

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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.