Home / 66,626.49-91,941.69-36,411.33

Finding the Fourth Proportional to 66,626.49, 91,941.69 and 36,411.33

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Solution

The fourth proportional to 66,626.49, 91,941.69 and 36,411.33 is: 50,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,626.49 : 91,941.69 = 36,411.33 : x
  2. Step 2: Convert to fraction form
    66,626.49/91,941.69 = 36,411.33/x
  3. Step 3: Cross multiply
    66,626.49x = 91,941.69 × 36,411.33
  4. Step 4: Simplify right side
    66,626.49x = 3,347,719,215.35
  5. Step 5: Solve for x
    x = 3,347,719,215.35/66,626.49
  6. Step 6: Final answer
    x = 50,246.07

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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.