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Finding the Fourth Proportional to 51,504.54, 77,289.30 and 21,922.31

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Solution

The fourth proportional to 51,504.54, 77,289.30 and 21,922.31 is: 32,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.54 : 77,289.30 = 21,922.31 : x
  2. Step 2: Convert to fraction form
    51,504.54/77,289.30 = 21,922.31/x
  3. Step 3: Cross multiply
    51,504.54x = 77,289.30 × 21,922.31
  4. Step 4: Simplify right side
    51,504.54x = 1,694,359,607.84
  5. Step 5: Solve for x
    x = 1,694,359,607.84/51,504.54
  6. Step 6: Final answer
    x = 32,897.29

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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.