Home / 34,170.66-47,144.43-21,435.03

Finding the Fourth Proportional to 34,170.66, 47,144.43 and 21,435.03

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Solution

The fourth proportional to 34,170.66, 47,144.43 and 21,435.03 is: 29,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,170.66 : 47,144.43 = 21,435.03 : x
  2. Step 2: Convert to fraction form
    34,170.66/47,144.43 = 21,435.03/x
  3. Step 3: Cross multiply
    34,170.66x = 47,144.43 × 21,435.03
  4. Step 4: Simplify right side
    34,170.66x = 1,010,542,271.38
  5. Step 5: Solve for x
    x = 1,010,542,271.38/34,170.66
  6. Step 6: Final answer
    x = 29,573.39

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1.5x scale

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.