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Finding the Fourth Proportional to 64,951, 89,632.44 and 36,656.08

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Solution

The fourth proportional to 64,951, 89,632.44 and 36,656.08 is: 50,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,951 : 89,632.44 = 36,656.08 : x
  2. Step 2: Convert to fraction form
    64,951/89,632.44 = 36,656.08/x
  3. Step 3: Cross multiply
    64,951x = 89,632.44 × 36,656.08
  4. Step 4: Simplify right side
    64,951x = 3,285,573,891.24
  5. Step 5: Solve for x
    x = 3,285,573,891.24/64,951
  6. Step 6: Final answer
    x = 50,585.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.