Home / 40,387.01-55,727.69-23,392.85

Finding the Fourth Proportional to 40,387.01, 55,727.69 and 23,392.85

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Solution

The fourth proportional to 40,387.01, 55,727.69 and 23,392.85 is: 32,278.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.01 : 55,727.69 = 23,392.85 : x
  2. Step 2: Convert to fraction form
    40,387.01/55,727.69 = 23,392.85/x
  3. Step 3: Cross multiply
    40,387.01x = 55,727.69 × 23,392.85
  4. Step 4: Simplify right side
    40,387.01x = 1,303,629,097.41
  5. Step 5: Solve for x
    x = 1,303,629,097.41/40,387.01
  6. Step 6: Final answer
    x = 32,278.43

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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.