Home / 66,531.95-91,810.22-36,311.25

Finding the Fourth Proportional to 66,531.95, 91,810.22 and 36,311.25

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Solution

The fourth proportional to 66,531.95, 91,810.22 and 36,311.25 is: 50,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,531.95 : 91,810.22 = 36,311.25 : x
  2. Step 2: Convert to fraction form
    66,531.95/91,810.22 = 36,311.25/x
  3. Step 3: Cross multiply
    66,531.95x = 91,810.22 × 36,311.25
  4. Step 4: Simplify right side
    66,531.95x = 3,333,743,669.42
  5. Step 5: Solve for x
    x = 3,333,743,669.42/66,531.95
  6. Step 6: Final answer
    x = 50,107.41

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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.