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Finding the Fourth Proportional to 34,045.76, 50,961.76 and 21,522.56

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Solution

The fourth proportional to 34,045.76, 50,961.76 and 21,522.56 is: 32,216.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,045.76 : 50,961.76 = 21,522.56 : x
  2. Step 2: Convert to fraction form
    34,045.76/50,961.76 = 21,522.56/x
  3. Step 3: Cross multiply
    34,045.76x = 50,961.76 × 21,522.56
  4. Step 4: Simplify right side
    34,045.76x = 1,096,827,537.31
  5. Step 5: Solve for x
    x = 1,096,827,537.31/34,045.76
  6. Step 6: Final answer
    x = 32,216.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.