Home / 54,453.78-81,684.77-15,010.55

Finding the Fourth Proportional to 54,453.78, 81,684.77 and 15,010.55

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Solution

The fourth proportional to 54,453.78, 81,684.77 and 15,010.55 is: 22,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.78 : 81,684.77 = 15,010.55 : x
  2. Step 2: Convert to fraction form
    54,453.78/81,684.77 = 15,010.55/x
  3. Step 3: Cross multiply
    54,453.78x = 81,684.77 × 15,010.55
  4. Step 4: Simplify right side
    54,453.78x = 1,226,132,840.85
  5. Step 5: Solve for x
    x = 1,226,132,840.85/54,453.78
  6. Step 6: Final answer
    x = 22,516.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.