Home / 66,017.65-91,104.39-35,802.96

Finding the Fourth Proportional to 66,017.65, 91,104.39 and 35,802.96

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Solution

The fourth proportional to 66,017.65, 91,104.39 and 35,802.96 is: 49,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017.65 : 91,104.39 = 35,802.96 : x
  2. Step 2: Convert to fraction form
    66,017.65/91,104.39 = 35,802.96/x
  3. Step 3: Cross multiply
    66,017.65x = 91,104.39 × 35,802.96
  4. Step 4: Simplify right side
    66,017.65x = 3,261,806,375.47
  5. Step 5: Solve for x
    x = 3,261,806,375.47/66,017.65
  6. Step 6: Final answer
    x = 49,408.10

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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.