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Finding the Fourth Proportional to 51,802.44, 71,487.26 and 29,141.44

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Solution

The fourth proportional to 51,802.44, 71,487.26 and 29,141.44 is: 40,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.44 : 71,487.26 = 29,141.44 : x
  2. Step 2: Convert to fraction form
    51,802.44/71,487.26 = 29,141.44/x
  3. Step 3: Cross multiply
    51,802.44x = 71,487.26 × 29,141.44
  4. Step 4: Simplify right side
    51,802.44x = 2,083,241,552.35
  5. Step 5: Solve for x
    x = 2,083,241,552.35/51,802.44
  6. Step 6: Final answer
    x = 40,215.13

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1.5x scale

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.