Home / 65,344.90-90,170.54-36,660.58

Finding the Fourth Proportional to 65,344.90, 90,170.54 and 36,660.58

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Solution

The fourth proportional to 65,344.90, 90,170.54 and 36,660.58 is: 50,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,344.90 : 90,170.54 = 36,660.58 : x
  2. Step 2: Convert to fraction form
    65,344.90/90,170.54 = 36,660.58/x
  3. Step 3: Cross multiply
    65,344.90x = 90,170.54 × 36,660.58
  4. Step 4: Simplify right side
    65,344.90x = 3,305,704,295.31
  5. Step 5: Solve for x
    x = 3,305,704,295.31/65,344.90
  6. Step 6: Final answer
    x = 50,588.56

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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.