Home / 40,311.47-55,654.74-25,976.36

Finding the Fourth Proportional to 40,311.47, 55,654.74 and 25,976.36

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Solution

The fourth proportional to 40,311.47, 55,654.74 and 25,976.36 is: 35,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.47 : 55,654.74 = 25,976.36 : x
  2. Step 2: Convert to fraction form
    40,311.47/55,654.74 = 25,976.36/x
  3. Step 3: Cross multiply
    40,311.47x = 55,654.74 × 25,976.36
  4. Step 4: Simplify right side
    40,311.47x = 1,445,707,701.08
  5. Step 5: Solve for x
    x = 1,445,707,701.08/40,311.47
  6. Step 6: Final answer
    x = 35,863.43

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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.