Home / 47,219.56-70,837.03-13,942.99

Finding the Fourth Proportional to 47,219.56, 70,837.03 and 13,942.99

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Solution

The fourth proportional to 47,219.56, 70,837.03 and 13,942.99 is: 20,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,219.56 : 70,837.03 = 13,942.99 : x
  2. Step 2: Convert to fraction form
    47,219.56/70,837.03 = 13,942.99/x
  3. Step 3: Cross multiply
    47,219.56x = 70,837.03 × 13,942.99
  4. Step 4: Simplify right side
    47,219.56x = 987,680,000.92
  5. Step 5: Solve for x
    x = 987,680,000.92/47,219.56
  6. Step 6: Final answer
    x = 20,916.76

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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.