Home / 66,211.35-91,373.46-35,998.70

Finding the Fourth Proportional to 66,211.35, 91,373.46 and 35,998.70

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Solution

The fourth proportional to 66,211.35, 91,373.46 and 35,998.70 is: 49,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.35 : 91,373.46 = 35,998.70 : x
  2. Step 2: Convert to fraction form
    66,211.35/91,373.46 = 35,998.70/x
  3. Step 3: Cross multiply
    66,211.35x = 91,373.46 × 35,998.70
  4. Step 4: Simplify right side
    66,211.35x = 3,289,325,317.63
  5. Step 5: Solve for x
    x = 3,289,325,317.63/66,211.35
  6. Step 6: Final answer
    x = 49,679.18

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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.