Home / 65,895.50-90,935.64-35,680.84

Finding the Fourth Proportional to 65,895.50, 90,935.64 and 35,680.84

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Solution

The fourth proportional to 65,895.50, 90,935.64 and 35,680.84 is: 49,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,895.50 : 90,935.64 = 35,680.84 : x
  2. Step 2: Convert to fraction form
    65,895.50/90,935.64 = 35,680.84/x
  3. Step 3: Cross multiply
    65,895.50x = 90,935.64 × 35,680.84
  4. Step 4: Simplify right side
    65,895.50x = 3,244,659,793.80
  5. Step 5: Solve for x
    x = 3,244,659,793.80/65,895.50
  6. Step 6: Final answer
    x = 49,239.47

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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.