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Finding the Fourth Proportional to 52,777.60, 79,099.20 and 21,577.60

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Solution

The fourth proportional to 52,777.60, 79,099.20 and 21,577.60 is: 32,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.60 : 79,099.20 = 21,577.60 : x
  2. Step 2: Convert to fraction form
    52,777.60/79,099.20 = 21,577.60/x
  3. Step 3: Cross multiply
    52,777.60x = 79,099.20 × 21,577.60
  4. Step 4: Simplify right side
    52,777.60x = 1,706,770,897.92
  5. Step 5: Solve for x
    x = 1,706,770,897.92/52,777.60
  6. Step 6: Final answer
    x = 32,338.93

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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.