Home / 54,664.29-75,426.71-30,785.85

Finding the Fourth Proportional to 54,664.29, 75,426.71 and 30,785.85

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Solution

The fourth proportional to 54,664.29, 75,426.71 and 30,785.85 is: 42,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,664.29 : 75,426.71 = 30,785.85 : x
  2. Step 2: Convert to fraction form
    54,664.29/75,426.71 = 30,785.85/x
  3. Step 3: Cross multiply
    54,664.29x = 75,426.71 × 30,785.85
  4. Step 4: Simplify right side
    54,664.29x = 2,322,075,226.12
  5. Step 5: Solve for x
    x = 2,322,075,226.12/54,664.29
  6. Step 6: Final answer
    x = 42,478.83

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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.