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Finding the Fourth Proportional to 41,303.60, 61,957.76 and 11,719.10

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Solution

The fourth proportional to 41,303.60, 61,957.76 and 11,719.10 is: 17,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,303.60 : 61,957.76 = 11,719.10 : x
  2. Step 2: Convert to fraction form
    41,303.60/61,957.76 = 11,719.10/x
  3. Step 3: Cross multiply
    41,303.60x = 61,957.76 × 11,719.10
  4. Step 4: Simplify right side
    41,303.60x = 726,089,185.22
  5. Step 5: Solve for x
    x = 726,089,185.22/41,303.60
  6. Step 6: Final answer
    x = 17,579.32

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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.