Home / 50,981.44-76,349.11-30,659.76

Finding the Fourth Proportional to 50,981.44, 76,349.11 and 30,659.76

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Solution

The fourth proportional to 50,981.44, 76,349.11 and 30,659.76 is: 45,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.44 : 76,349.11 = 30,659.76 : x
  2. Step 2: Convert to fraction form
    50,981.44/76,349.11 = 30,659.76/x
  3. Step 3: Cross multiply
    50,981.44x = 76,349.11 × 30,659.76
  4. Step 4: Simplify right side
    50,981.44x = 2,340,845,007.07
  5. Step 5: Solve for x
    x = 2,340,845,007.07/50,981.44
  6. Step 6: Final answer
    x = 45,915.63

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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.