Home / 66,344.00-91,557.68-39,121.18

Finding the Fourth Proportional to 66,344.00, 91,557.68 and 39,121.18

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Solution

The fourth proportional to 66,344.00, 91,557.68 and 39,121.18 is: 53,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,344.00 : 91,557.68 = 39,121.18 : x
  2. Step 2: Convert to fraction form
    66,344.00/91,557.68 = 39,121.18/x
  3. Step 3: Cross multiply
    66,344.00x = 91,557.68 × 39,121.18
  4. Step 4: Simplify right side
    66,344.00x = 3,581,844,055.16
  5. Step 5: Solve for x
    x = 3,581,844,055.16/66,344.00
  6. Step 6: Final answer
    x = 53,988.97

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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.