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Finding the Fourth Proportional to 66,257.69, 91,436.22 and 36,043.67

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Solution

The fourth proportional to 66,257.69, 91,436.22 and 36,043.67 is: 49,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.69 : 91,436.22 = 36,043.67 : x
  2. Step 2: Convert to fraction form
    66,257.69/91,436.22 = 36,043.67/x
  3. Step 3: Cross multiply
    66,257.69x = 91,436.22 × 36,043.67
  4. Step 4: Simplify right side
    66,257.69x = 3,295,696,482.55
  5. Step 5: Solve for x
    x = 3,295,696,482.55/66,257.69
  6. Step 6: Final answer
    x = 49,740.59

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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.