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Finding the Fourth Proportional to 45,223.72, 62,396 and 35,633.88

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Solution

The fourth proportional to 45,223.72, 62,396 and 35,633.88 is: 49,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,223.72 : 62,396 = 35,633.88 : x
  2. Step 2: Convert to fraction form
    45,223.72/62,396 = 35,633.88/x
  3. Step 3: Cross multiply
    45,223.72x = 62,396 × 35,633.88
  4. Step 4: Simplify right side
    45,223.72x = 2,223,411,576.48
  5. Step 5: Solve for x
    x = 2,223,411,576.48/45,223.72
  6. Step 6: Final answer
    x = 49,164.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.