Home / 52,350.60-78,408.18-40,628.28

Finding the Fourth Proportional to 52,350.60, 78,408.18 and 40,628.28

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Solution

The fourth proportional to 52,350.60, 78,408.18 and 40,628.28 is: 60,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,350.60 : 78,408.18 = 40,628.28 : x
  2. Step 2: Convert to fraction form
    52,350.60/78,408.18 = 40,628.28/x
  3. Step 3: Cross multiply
    52,350.60x = 78,408.18 × 40,628.28
  4. Step 4: Simplify right side
    52,350.60x = 3,185,589,491.33
  5. Step 5: Solve for x
    x = 3,185,589,491.33/52,350.60
  6. Step 6: Final answer
    x = 60,851.06

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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.