Home / 54,751.33-75,556.84-30,878.02

Finding the Fourth Proportional to 54,751.33, 75,556.84 and 30,878.02

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Solution

The fourth proportional to 54,751.33, 75,556.84 and 30,878.02 is: 42,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,751.33 : 75,556.84 = 30,878.02 : x
  2. Step 2: Convert to fraction form
    54,751.33/75,556.84 = 30,878.02/x
  3. Step 3: Cross multiply
    54,751.33x = 75,556.84 × 30,878.02
  4. Step 4: Simplify right side
    54,751.33x = 2,333,045,616.66
  5. Step 5: Solve for x
    x = 2,333,045,616.66/54,751.33
  6. Step 6: Final answer
    x = 42,611.67

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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.