Home / 49,827.40-68,759.22-30,964.12

Finding the Fourth Proportional to 49,827.40, 68,759.22 and 30,964.12

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Solution

The fourth proportional to 49,827.40, 68,759.22 and 30,964.12 is: 42,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,827.40 : 68,759.22 = 30,964.12 : x
  2. Step 2: Convert to fraction form
    49,827.40/68,759.22 = 30,964.12/x
  3. Step 3: Cross multiply
    49,827.40x = 68,759.22 × 30,964.12
  4. Step 4: Simplify right side
    49,827.40x = 2,129,068,739.19
  5. Step 5: Solve for x
    x = 2,129,068,739.19/49,827.40
  6. Step 6: Final answer
    x = 42,728.87

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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.