Home / 65,839.28-90,863.88-37,546.16

Finding the Fourth Proportional to 65,839.28, 90,863.88 and 37,546.16

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Solution

The fourth proportional to 65,839.28, 90,863.88 and 37,546.16 is: 51,816.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.28 : 90,863.88 = 37,546.16 : x
  2. Step 2: Convert to fraction form
    65,839.28/90,863.88 = 37,546.16/x
  3. Step 3: Cross multiply
    65,839.28x = 90,863.88 × 37,546.16
  4. Step 4: Simplify right side
    65,839.28x = 3,411,589,776.70
  5. Step 5: Solve for x
    x = 3,411,589,776.70/65,839.28
  6. Step 6: Final answer
    x = 51,816.94

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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.