Home / 47,927.87-71,812.34-29,151.10

Finding the Fourth Proportional to 47,927.87, 71,812.34 and 29,151.10

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Solution

The fourth proportional to 47,927.87, 71,812.34 and 29,151.10 is: 43,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,927.87 : 71,812.34 = 29,151.10 : x
  2. Step 2: Convert to fraction form
    47,927.87/71,812.34 = 29,151.10/x
  3. Step 3: Cross multiply
    47,927.87x = 71,812.34 × 29,151.10
  4. Step 4: Simplify right side
    47,927.87x = 2,093,408,757.90
  5. Step 5: Solve for x
    x = 2,093,408,757.90/47,927.87
  6. Step 6: Final answer
    x = 43,678.32

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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.