Home / 71,183.32-106,839.66-37,931.80

Finding the Fourth Proportional to 71,183.32, 106,839.66 and 37,931.80

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Solution

The fourth proportional to 71,183.32, 106,839.66 and 37,931.80 is: 56,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.32 : 106,839.66 = 37,931.80 : x
  2. Step 2: Convert to fraction form
    71,183.32/106,839.66 = 37,931.80/x
  3. Step 3: Cross multiply
    71,183.32x = 106,839.66 × 37,931.80
  4. Step 4: Simplify right side
    71,183.32x = 4,052,620,615.19
  5. Step 5: Solve for x
    x = 4,052,620,615.19/71,183.32
  6. Step 6: Final answer
    x = 56,932.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.