Home / 40,278.39-55,585.94-22,375.07

Finding the Fourth Proportional to 40,278.39, 55,585.94 and 22,375.07

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Solution

The fourth proportional to 40,278.39, 55,585.94 and 22,375.07 is: 30,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.39 : 55,585.94 = 22,375.07 : x
  2. Step 2: Convert to fraction form
    40,278.39/55,585.94 = 22,375.07/x
  3. Step 3: Cross multiply
    40,278.39x = 55,585.94 × 22,375.07
  4. Step 4: Simplify right side
    40,278.39x = 1,243,738,908.71
  5. Step 5: Solve for x
    x = 1,243,738,908.71/40,278.39
  6. Step 6: Final answer
    x = 30,878.57

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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.