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Finding the Fourth Proportional to 64,630.32, 97,036.30 and 33,063.02

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Solution

The fourth proportional to 64,630.32, 97,036.30 and 33,063.02 is: 49,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,630.32 : 97,036.30 = 33,063.02 : x
  2. Step 2: Convert to fraction form
    64,630.32/97,036.30 = 33,063.02/x
  3. Step 3: Cross multiply
    64,630.32x = 97,036.30 × 33,063.02
  4. Step 4: Simplify right side
    64,630.32x = 3,208,313,044.97
  5. Step 5: Solve for x
    x = 3,208,313,044.97/64,630.32
  6. Step 6: Final answer
    x = 49,640.99

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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.