Home / 71,127.19-106,696.88-18,536.59

Finding the Fourth Proportional to 71,127.19, 106,696.88 and 18,536.59

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Solution

The fourth proportional to 71,127.19, 106,696.88 and 18,536.59 is: 27,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,127.19 : 106,696.88 = 18,536.59 : x
  2. Step 2: Convert to fraction form
    71,127.19/106,696.88 = 18,536.59/x
  3. Step 3: Cross multiply
    71,127.19x = 106,696.88 × 18,536.59
  4. Step 4: Simplify right side
    71,127.19x = 1,977,796,318.84
  5. Step 5: Solve for x
    x = 1,977,796,318.84/71,127.19
  6. Step 6: Final answer
    x = 27,806.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.