Home / 40,278.36-55,585.14-22,372.50

Finding the Fourth Proportional to 40,278.36, 55,585.14 and 22,372.50

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Solution

The fourth proportional to 40,278.36, 55,585.14 and 22,372.50 is: 30,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.36 : 55,585.14 = 22,372.50 : x
  2. Step 2: Convert to fraction form
    40,278.36/55,585.14 = 22,372.50/x
  3. Step 3: Cross multiply
    40,278.36x = 55,585.14 × 22,372.50
  4. Step 4: Simplify right side
    40,278.36x = 1,243,578,544.65
  5. Step 5: Solve for x
    x = 1,243,578,544.65/40,278.36
  6. Step 6: Final answer
    x = 30,874.61

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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.