Home / 34,217.75-47,204.10-21,464.55

Finding the Fourth Proportional to 34,217.75, 47,204.10 and 21,464.55

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Solution

The fourth proportional to 34,217.75, 47,204.10 and 21,464.55 is: 29,610.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.75 : 47,204.10 = 21,464.55 : x
  2. Step 2: Convert to fraction form
    34,217.75/47,204.10 = 21,464.55/x
  3. Step 3: Cross multiply
    34,217.75x = 47,204.10 × 21,464.55
  4. Step 4: Simplify right side
    34,217.75x = 1,013,214,764.66
  5. Step 5: Solve for x
    x = 1,013,214,764.66/34,217.75
  6. Step 6: Final answer
    x = 29,610.80

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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.