Home / 65,914.46-90,961.73-35,699.70

Finding the Fourth Proportional to 65,914.46, 90,961.73 and 35,699.70

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Solution

The fourth proportional to 65,914.46, 90,961.73 and 35,699.70 is: 49,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.46 : 90,961.73 = 35,699.70 : x
  2. Step 2: Convert to fraction form
    65,914.46/90,961.73 = 35,699.70/x
  3. Step 3: Cross multiply
    65,914.46x = 90,961.73 × 35,699.70
  4. Step 4: Simplify right side
    65,914.46x = 3,247,306,969.77
  5. Step 5: Solve for x
    x = 3,247,306,969.77/65,914.46
  6. Step 6: Final answer
    x = 49,265.47

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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.