Home / 54,036.92-74,571-30,163.56

Finding the Fourth Proportional to 54,036.92, 74,571 and 30,163.56

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Solution

The fourth proportional to 54,036.92, 74,571 and 30,163.56 is: 41,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.92 : 74,571 = 30,163.56 : x
  2. Step 2: Convert to fraction form
    54,036.92/74,571 = 30,163.56/x
  3. Step 3: Cross multiply
    54,036.92x = 74,571 × 30,163.56
  4. Step 4: Simplify right side
    54,036.92x = 2,249,326,832.76
  5. Step 5: Solve for x
    x = 2,249,326,832.76/54,036.92
  6. Step 6: Final answer
    x = 41,625.74

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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.