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Finding the Fourth Proportional to 45,479.67, 68,093.54 and 23,245.17

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Solution

The fourth proportional to 45,479.67, 68,093.54 and 23,245.17 is: 34,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479.67 : 68,093.54 = 23,245.17 : x
  2. Step 2: Convert to fraction form
    45,479.67/68,093.54 = 23,245.17/x
  3. Step 3: Cross multiply
    45,479.67x = 68,093.54 × 23,245.17
  4. Step 4: Simplify right side
    45,479.67x = 1,582,845,913.20
  5. Step 5: Solve for x
    x = 1,582,845,913.20/45,479.67
  6. Step 6: Final answer
    x = 34,803.37

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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.