Home / 51,990.28-71,738.99-29,330.26

Finding the Fourth Proportional to 51,990.28, 71,738.99 and 29,330.26

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Solution

The fourth proportional to 51,990.28, 71,738.99 and 29,330.26 is: 40,471.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990.28 : 71,738.99 = 29,330.26 : x
  2. Step 2: Convert to fraction form
    51,990.28/71,738.99 = 29,330.26/x
  3. Step 3: Cross multiply
    51,990.28x = 71,738.99 × 29,330.26
  4. Step 4: Simplify right side
    51,990.28x = 2,104,122,943.47
  5. Step 5: Solve for x
    x = 2,104,122,943.47/51,990.28
  6. Step 6: Final answer
    x = 40,471.47

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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.