Home / 54,278.68-74,895.87-30,406.36

Finding the Fourth Proportional to 54,278.68, 74,895.87 and 30,406.36

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Solution

The fourth proportional to 54,278.68, 74,895.87 and 30,406.36 is: 41,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,278.68 : 74,895.87 = 30,406.36 : x
  2. Step 2: Convert to fraction form
    54,278.68/74,895.87 = 30,406.36/x
  3. Step 3: Cross multiply
    54,278.68x = 74,895.87 × 30,406.36
  4. Step 4: Simplify right side
    54,278.68x = 2,277,310,785.73
  5. Step 5: Solve for x
    x = 2,277,310,785.73/54,278.68
  6. Step 6: Final answer
    x = 41,955.90

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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.