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Finding the Fourth Proportional to 34,489.59, 51,799.98 and 21,433.20

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Solution

The fourth proportional to 34,489.59, 51,799.98 and 21,433.20 is: 32,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,489.59 : 51,799.98 = 21,433.20 : x
  2. Step 2: Convert to fraction form
    34,489.59/51,799.98 = 21,433.20/x
  3. Step 3: Cross multiply
    34,489.59x = 51,799.98 × 21,433.20
  4. Step 4: Simplify right side
    34,489.59x = 1,110,239,331.34
  5. Step 5: Solve for x
    x = 1,110,239,331.34/34,489.59
  6. Step 6: Final answer
    x = 32,190.56

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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.