Home / 64,231.08-96,355.88-19,861.32

Finding the Fourth Proportional to 64,231.08, 96,355.88 and 19,861.32

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Solution

The fourth proportional to 64,231.08, 96,355.88 and 19,861.32 is: 29,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,231.08 : 96,355.88 = 19,861.32 : x
  2. Step 2: Convert to fraction form
    64,231.08/96,355.88 = 19,861.32/x
  3. Step 3: Cross multiply
    64,231.08x = 96,355.88 × 19,861.32
  4. Step 4: Simplify right side
    64,231.08x = 1,913,754,966.56
  5. Step 5: Solve for x
    x = 1,913,754,966.56/64,231.08
  6. Step 6: Final answer
    x = 29,794.84

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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.