Home / 52,871.20-79,311.84-17,821.60

Finding the Fourth Proportional to 52,871.20, 79,311.84 and 17,821.60

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Solution

The fourth proportional to 52,871.20, 79,311.84 and 17,821.60 is: 26,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,871.20 : 79,311.84 = 17,821.60 : x
  2. Step 2: Convert to fraction form
    52,871.20/79,311.84 = 17,821.60/x
  3. Step 3: Cross multiply
    52,871.20x = 79,311.84 × 17,821.60
  4. Step 4: Simplify right side
    52,871.20x = 1,413,463,887.74
  5. Step 5: Solve for x
    x = 1,413,463,887.74/52,871.20
  6. Step 6: Final answer
    x = 26,734.10

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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.