Home / 65,431.26-90,295.15-36,750.96

Finding the Fourth Proportional to 65,431.26, 90,295.15 and 36,750.96

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Solution

The fourth proportional to 65,431.26, 90,295.15 and 36,750.96 is: 50,716.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,431.26 : 90,295.15 = 36,750.96 : x
  2. Step 2: Convert to fraction form
    65,431.26/90,295.15 = 36,750.96/x
  3. Step 3: Cross multiply
    65,431.26x = 90,295.15 × 36,750.96
  4. Step 4: Simplify right side
    65,431.26x = 3,318,433,445.84
  5. Step 5: Solve for x
    x = 3,318,433,445.84/65,431.26
  6. Step 6: Final answer
    x = 50,716.33

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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.