Home / 66,552.20-91,835.38-36,742.28

Finding the Fourth Proportional to 66,552.20, 91,835.38 and 36,742.28

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Solution

The fourth proportional to 66,552.20, 91,835.38 and 36,742.28 is: 50,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.20 : 91,835.38 = 36,742.28 : x
  2. Step 2: Convert to fraction form
    66,552.20/91,835.38 = 36,742.28/x
  3. Step 3: Cross multiply
    66,552.20x = 91,835.38 × 36,742.28
  4. Step 4: Simplify right side
    66,552.20x = 3,374,241,245.87
  5. Step 5: Solve for x
    x = 3,374,241,245.87/66,552.20
  6. Step 6: Final answer
    x = 50,700.67

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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.