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Finding the Fourth Proportional to 44,601.53, 66,913.52 and 31,479.53

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Solution

The fourth proportional to 44,601.53, 66,913.52 and 31,479.53 is: 47,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,601.53 : 66,913.52 = 31,479.53 : x
  2. Step 2: Convert to fraction form
    44,601.53/66,913.52 = 31,479.53/x
  3. Step 3: Cross multiply
    44,601.53x = 66,913.52 × 31,479.53
  4. Step 4: Simplify right side
    44,601.53x = 2,106,405,668.28
  5. Step 5: Solve for x
    x = 2,106,405,668.28/44,601.53
  6. Step 6: Final answer
    x = 47,227.21

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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.