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Finding the Fourth Proportional to 63,008.47, 86,951.94 and 34,714.16

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Solution

The fourth proportional to 63,008.47, 86,951.94 and 34,714.16 is: 47,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.47 : 86,951.94 = 34,714.16 : x
  2. Step 2: Convert to fraction form
    63,008.47/86,951.94 = 34,714.16/x
  3. Step 3: Cross multiply
    63,008.47x = 86,951.94 × 34,714.16
  4. Step 4: Simplify right side
    63,008.47x = 3,018,463,557.47
  5. Step 5: Solve for x
    x = 3,018,463,557.47/63,008.47
  6. Step 6: Final answer
    x = 47,905.68

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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.