Home / 64,819.78-97,232.74-31,500.16

Finding the Fourth Proportional to 64,819.78, 97,232.74 and 31,500.16

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Solution

The fourth proportional to 64,819.78, 97,232.74 and 31,500.16 is: 47,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.78 : 97,232.74 = 31,500.16 : x
  2. Step 2: Convert to fraction form
    64,819.78/97,232.74 = 31,500.16/x
  3. Step 3: Cross multiply
    64,819.78x = 97,232.74 × 31,500.16
  4. Step 4: Simplify right side
    64,819.78x = 3,062,846,867.24
  5. Step 5: Solve for x
    x = 3,062,846,867.24/64,819.78
  6. Step 6: Final answer
    x = 47,251.73

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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.