Home / 39,115.76-53,965.60-25,694.32

Finding the Fourth Proportional to 39,115.76, 53,965.60 and 25,694.32

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Solution

The fourth proportional to 39,115.76, 53,965.60 and 25,694.32 is: 35,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.76 : 53,965.60 = 25,694.32 : x
  2. Step 2: Convert to fraction form
    39,115.76/53,965.60 = 25,694.32/x
  3. Step 3: Cross multiply
    39,115.76x = 53,965.60 × 25,694.32
  4. Step 4: Simplify right side
    39,115.76x = 1,386,609,395.39
  5. Step 5: Solve for x
    x = 1,386,609,395.39/39,115.76
  6. Step 6: Final answer
    x = 35,448.87

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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.