Home / 66,222.95-91,385.17-36,007.22

Finding the Fourth Proportional to 66,222.95, 91,385.17 and 36,007.22

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Solution

The fourth proportional to 66,222.95, 91,385.17 and 36,007.22 is: 49,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.95 : 91,385.17 = 36,007.22 : x
  2. Step 2: Convert to fraction form
    66,222.95/91,385.17 = 36,007.22/x
  3. Step 3: Cross multiply
    66,222.95x = 91,385.17 × 36,007.22
  4. Step 4: Simplify right side
    66,222.95x = 3,290,526,059.37
  5. Step 5: Solve for x
    x = 3,290,526,059.37/66,222.95
  6. Step 6: Final answer
    x = 49,688.61

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1.5x scale

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.