Home / 34,715.12-47,906.64-18,799.53

Finding the Fourth Proportional to 34,715.12, 47,906.64 and 18,799.53

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Solution

The fourth proportional to 34,715.12, 47,906.64 and 18,799.53 is: 25,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.12 : 47,906.64 = 18,799.53 : x
  2. Step 2: Convert to fraction form
    34,715.12/47,906.64 = 18,799.53/x
  3. Step 3: Cross multiply
    34,715.12x = 47,906.64 × 18,799.53
  4. Step 4: Simplify right side
    34,715.12x = 900,622,136.23
  5. Step 5: Solve for x
    x = 900,622,136.23/34,715.12
  6. Step 6: Final answer
    x = 25,943.23

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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.