Home / 52,665.60-78,998.40-34,003.20

Finding the Fourth Proportional to 52,665.60, 78,998.40 and 34,003.20

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Solution

The fourth proportional to 52,665.60, 78,998.40 and 34,003.20 is: 51,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,665.60 : 78,998.40 = 34,003.20 : x
  2. Step 2: Convert to fraction form
    52,665.60/78,998.40 = 34,003.20/x
  3. Step 3: Cross multiply
    52,665.60x = 78,998.40 × 34,003.20
  4. Step 4: Simplify right side
    52,665.60x = 2,686,198,394.88
  5. Step 5: Solve for x
    x = 2,686,198,394.88/52,665.60
  6. Step 6: Final answer
    x = 51,004.80

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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.