Home / 48,742.32-73,029.78-32,912.76

Finding the Fourth Proportional to 48,742.32, 73,029.78 and 32,912.76

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Solution

The fourth proportional to 48,742.32, 73,029.78 and 32,912.76 is: 49,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.32 : 73,029.78 = 32,912.76 : x
  2. Step 2: Convert to fraction form
    48,742.32/73,029.78 = 32,912.76/x
  3. Step 3: Cross multiply
    48,742.32x = 73,029.78 × 32,912.76
  4. Step 4: Simplify right side
    48,742.32x = 2,403,611,621.99
  5. Step 5: Solve for x
    x = 2,403,611,621.99/48,742.32
  6. Step 6: Final answer
    x = 49,312.62

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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.