Home / 54,435.30-75,115.53-30,556.50

Finding the Fourth Proportional to 54,435.30, 75,115.53 and 30,556.50

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Solution

The fourth proportional to 54,435.30, 75,115.53 and 30,556.50 is: 42,165.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.30 : 75,115.53 = 30,556.50 : x
  2. Step 2: Convert to fraction form
    54,435.30/75,115.53 = 30,556.50/x
  3. Step 3: Cross multiply
    54,435.30x = 75,115.53 × 30,556.50
  4. Step 4: Simplify right side
    54,435.30x = 2,295,267,692.45
  5. Step 5: Solve for x
    x = 2,295,267,692.45/54,435.30
  6. Step 6: Final answer
    x = 42,165.06

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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.