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Finding the Fourth Proportional to 44,384, 66,621.60 and 34,629.92

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Solution

The fourth proportional to 44,384, 66,621.60 and 34,629.92 is: 51,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,384 : 66,621.60 = 34,629.92 : x
  2. Step 2: Convert to fraction form
    44,384/66,621.60 = 34,629.92/x
  3. Step 3: Cross multiply
    44,384x = 66,621.60 × 34,629.92
  4. Step 4: Simplify right side
    44,384x = 2,307,100,678.27
  5. Step 5: Solve for x
    x = 2,307,100,678.27/44,384
  6. Step 6: Final answer
    x = 51,980.46

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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.