Home / 54,379.68-75,036.87-30,506.28

Finding the Fourth Proportional to 54,379.68, 75,036.87 and 30,506.28

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Solution

The fourth proportional to 54,379.68, 75,036.87 and 30,506.28 is: 42,094.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,379.68 : 75,036.87 = 30,506.28 : x
  2. Step 2: Convert to fraction form
    54,379.68/75,036.87 = 30,506.28/x
  3. Step 3: Cross multiply
    54,379.68x = 75,036.87 × 30,506.28
  4. Step 4: Simplify right side
    54,379.68x = 2,289,095,766.54
  5. Step 5: Solve for x
    x = 2,289,095,766.54/54,379.68
  6. Step 6: Final answer
    x = 42,094.69

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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.