Home / 54,724.39-75,514.12-40,392.05

Finding the Fourth Proportional to 54,724.39, 75,514.12 and 40,392.05

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Solution

The fourth proportional to 54,724.39, 75,514.12 and 40,392.05 is: 55,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,724.39 : 75,514.12 = 40,392.05 : x
  2. Step 2: Convert to fraction form
    54,724.39/75,514.12 = 40,392.05/x
  3. Step 3: Cross multiply
    54,724.39x = 75,514.12 × 40,392.05
  4. Step 4: Simplify right side
    54,724.39x = 3,050,169,632.20
  5. Step 5: Solve for x
    x = 3,050,169,632.20/54,724.39
  6. Step 6: Final answer
    x = 55,736.94

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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.