Home / 54,808.08-75,635.12-30,934.96

Finding the Fourth Proportional to 54,808.08, 75,635.12 and 30,934.96

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Solution

The fourth proportional to 54,808.08, 75,635.12 and 30,934.96 is: 42,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.08 : 75,635.12 = 30,934.96 : x
  2. Step 2: Convert to fraction form
    54,808.08/75,635.12 = 30,934.96/x
  3. Step 3: Cross multiply
    54,808.08x = 75,635.12 × 30,934.96
  4. Step 4: Simplify right side
    54,808.08x = 2,339,769,411.80
  5. Step 5: Solve for x
    x = 2,339,769,411.80/54,808.08
  6. Step 6: Final answer
    x = 42,690.23

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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.