Home / 52,190.90-78,253.05-34,401.02

Finding the Fourth Proportional to 52,190.90, 78,253.05 and 34,401.02

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Solution

The fourth proportional to 52,190.90, 78,253.05 and 34,401.02 is: 51,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.90 : 78,253.05 = 34,401.02 : x
  2. Step 2: Convert to fraction form
    52,190.90/78,253.05 = 34,401.02/x
  3. Step 3: Cross multiply
    52,190.90x = 78,253.05 × 34,401.02
  4. Step 4: Simplify right side
    52,190.90x = 2,691,984,738.11
  5. Step 5: Solve for x
    x = 2,691,984,738.11/52,190.90
  6. Step 6: Final answer
    x = 51,579.58

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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.