Home / 51,861.20-77,662.20-34,235.60

Finding the Fourth Proportional to 51,861.20, 77,662.20 and 34,235.60

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Solution

The fourth proportional to 51,861.20, 77,662.20 and 34,235.60 is: 51,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.20 : 77,662.20 = 34,235.60 : x
  2. Step 2: Convert to fraction form
    51,861.20/77,662.20 = 34,235.60/x
  3. Step 3: Cross multiply
    51,861.20x = 77,662.20 × 34,235.60
  4. Step 4: Simplify right side
    51,861.20x = 2,658,812,014.32
  5. Step 5: Solve for x
    x = 2,658,812,014.32/51,861.20
  6. Step 6: Final answer
    x = 51,267.85

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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.