Home / 66,211.50-91,372.86-35,996.75

Finding the Fourth Proportional to 66,211.50, 91,372.86 and 35,996.75

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Solution

The fourth proportional to 66,211.50, 91,372.86 and 35,996.75 is: 49,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.50 : 91,372.86 = 35,996.75 : x
  2. Step 2: Convert to fraction form
    66,211.50/91,372.86 = 35,996.75/x
  3. Step 3: Cross multiply
    66,211.50x = 91,372.86 × 35,996.75
  4. Step 4: Simplify right side
    66,211.50x = 3,289,125,541.34
  5. Step 5: Solve for x
    x = 3,289,125,541.34/66,211.50
  6. Step 6: Final answer
    x = 49,676.05

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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.