Home / 34,775.85-47,972.16-21,168.03

Finding the Fourth Proportional to 34,775.85, 47,972.16 and 21,168.03

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Solution

The fourth proportional to 34,775.85, 47,972.16 and 21,168.03 is: 29,200.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.85 : 47,972.16 = 21,168.03 : x
  2. Step 2: Convert to fraction form
    34,775.85/47,972.16 = 21,168.03/x
  3. Step 3: Cross multiply
    34,775.85x = 47,972.16 × 21,168.03
  4. Step 4: Simplify right side
    34,775.85x = 1,015,476,122.04
  5. Step 5: Solve for x
    x = 1,015,476,122.04/34,775.85
  6. Step 6: Final answer
    x = 29,200.61

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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.