Home / 39,120.14-53,993.45-25,691.05

Finding the Fourth Proportional to 39,120.14, 53,993.45 and 25,691.05

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Solution

The fourth proportional to 39,120.14, 53,993.45 and 25,691.05 is: 35,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,120.14 : 53,993.45 = 25,691.05 : x
  2. Step 2: Convert to fraction form
    39,120.14/53,993.45 = 25,691.05/x
  3. Step 3: Cross multiply
    39,120.14x = 53,993.45 × 25,691.05
  4. Step 4: Simplify right side
    39,120.14x = 1,387,148,555.34
  5. Step 5: Solve for x
    x = 1,387,148,555.34/39,120.14
  6. Step 6: Final answer
    x = 35,458.68

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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.