Home / 40,288.60-55,606.22-25,743.48

Finding the Fourth Proportional to 40,288.60, 55,606.22 and 25,743.48

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Solution

The fourth proportional to 40,288.60, 55,606.22 and 25,743.48 is: 35,531.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,288.60 : 55,606.22 = 25,743.48 : x
  2. Step 2: Convert to fraction form
    40,288.60/55,606.22 = 25,743.48/x
  3. Step 3: Cross multiply
    40,288.60x = 55,606.22 × 25,743.48
  4. Step 4: Simplify right side
    40,288.60x = 1,431,497,612.45
  5. Step 5: Solve for x
    x = 1,431,497,612.45/40,288.60
  6. Step 6: Final answer
    x = 35,531.08

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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.