Home / 39,661.68-54,770.16-25,539.36

Finding the Fourth Proportional to 39,661.68, 54,770.16 and 25,539.36

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Solution

The fourth proportional to 39,661.68, 54,770.16 and 25,539.36 is: 35,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,661.68 : 54,770.16 = 25,539.36 : x
  2. Step 2: Convert to fraction form
    39,661.68/54,770.16 = 25,539.36/x
  3. Step 3: Cross multiply
    39,661.68x = 54,770.16 × 25,539.36
  4. Step 4: Simplify right side
    39,661.68x = 1,398,794,833.50
  5. Step 5: Solve for x
    x = 1,398,794,833.50/39,661.68
  6. Step 6: Final answer
    x = 35,268.17

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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.