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Finding the Fourth Proportional to 64,339, 96,500.16 and 19,964.74

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Solution

The fourth proportional to 64,339, 96,500.16 and 19,964.74 is: 29,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339 : 96,500.16 = 19,964.74 : x
  2. Step 2: Convert to fraction form
    64,339/96,500.16 = 19,964.74/x
  3. Step 3: Cross multiply
    64,339x = 96,500.16 × 19,964.74
  4. Step 4: Simplify right side
    64,339x = 1,926,600,604.36
  5. Step 5: Solve for x
    x = 1,926,600,604.36/64,339
  6. Step 6: Final answer
    x = 29,944.52

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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.