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Finding the Fourth Proportional to 64,891.84, 89,552.04 and 36,592

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Solution

The fourth proportional to 64,891.84, 89,552.04 and 36,592 is: 50,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,891.84 : 89,552.04 = 36,592 : x
  2. Step 2: Convert to fraction form
    64,891.84/89,552.04 = 36,592/x
  3. Step 3: Cross multiply
    64,891.84x = 89,552.04 × 36,592
  4. Step 4: Simplify right side
    64,891.84x = 3,276,888,247.68
  5. Step 5: Solve for x
    x = 3,276,888,247.68/64,891.84
  6. Step 6: Final answer
    x = 50,497.69

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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.