Home / 54,442.35-75,128.49-30,570.03

Finding the Fourth Proportional to 54,442.35, 75,128.49 and 30,570.03

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Solution

The fourth proportional to 54,442.35, 75,128.49 and 30,570.03 is: 42,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.35 : 75,128.49 = 30,570.03 : x
  2. Step 2: Convert to fraction form
    54,442.35/75,128.49 = 30,570.03/x
  3. Step 3: Cross multiply
    54,442.35x = 75,128.49 × 30,570.03
  4. Step 4: Simplify right side
    54,442.35x = 2,296,680,193.15
  5. Step 5: Solve for x
    x = 2,296,680,193.15/54,442.35
  6. Step 6: Final answer
    x = 42,185.54

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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.