Home / 66,928.75-92,362.91-36,715.61

Finding the Fourth Proportional to 66,928.75, 92,362.91 and 36,715.61

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Solution

The fourth proportional to 66,928.75, 92,362.91 and 36,715.61 is: 50,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.75 : 92,362.91 = 36,715.61 : x
  2. Step 2: Convert to fraction form
    66,928.75/92,362.91 = 36,715.61/x
  3. Step 3: Cross multiply
    66,928.75x = 92,362.91 × 36,715.61
  4. Step 4: Simplify right side
    66,928.75x = 3,391,160,629.35
  5. Step 5: Solve for x
    x = 3,391,160,629.35/66,928.75
  6. Step 6: Final answer
    x = 50,668.22

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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.