Home / 57,172.49-78,900.96-34,511.18

Finding the Fourth Proportional to 57,172.49, 78,900.96 and 34,511.18

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Solution

The fourth proportional to 57,172.49, 78,900.96 and 34,511.18 is: 47,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.49 : 78,900.96 = 34,511.18 : x
  2. Step 2: Convert to fraction form
    57,172.49/78,900.96 = 34,511.18/x
  3. Step 3: Cross multiply
    57,172.49x = 78,900.96 × 34,511.18
  4. Step 4: Simplify right side
    57,172.49x = 2,722,965,429.99
  5. Step 5: Solve for x
    x = 2,722,965,429.99/57,172.49
  6. Step 6: Final answer
    x = 47,627.20

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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.