Home / 54,753.87-75,555.81-30,886.41

Finding the Fourth Proportional to 54,753.87, 75,555.81 and 30,886.41

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Solution

The fourth proportional to 54,753.87, 75,555.81 and 30,886.41 is: 42,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,753.87 : 75,555.81 = 30,886.41 : x
  2. Step 2: Convert to fraction form
    54,753.87/75,555.81 = 30,886.41/x
  3. Step 3: Cross multiply
    54,753.87x = 75,555.81 × 30,886.41
  4. Step 4: Simplify right side
    54,753.87x = 2,333,647,347.76
  5. Step 5: Solve for x
    x = 2,333,647,347.76/54,753.87
  6. Step 6: Final answer
    x = 42,620.69

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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.