Home / 54,453.78-81,685.32-15,010.92

Finding the Fourth Proportional to 54,453.78, 81,685.32 and 15,010.92

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Solution

The fourth proportional to 54,453.78, 81,685.32 and 15,010.92 is: 22,517.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.78 : 81,685.32 = 15,010.92 : x
  2. Step 2: Convert to fraction form
    54,453.78/81,685.32 = 15,010.92/x
  3. Step 3: Cross multiply
    54,453.78x = 81,685.32 × 15,010.92
  4. Step 4: Simplify right side
    54,453.78x = 1,226,171,803.69
  5. Step 5: Solve for x
    x = 1,226,171,803.69/54,453.78
  6. Step 6: Final answer
    x = 22,517.66

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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.