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Finding the Fourth Proportional to 48,996.63, 73,497.51 and 13,939.02

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Solution

The fourth proportional to 48,996.63, 73,497.51 and 13,939.02 is: 20,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,996.63 : 73,497.51 = 13,939.02 : x
  2. Step 2: Convert to fraction form
    48,996.63/73,497.51 = 13,939.02/x
  3. Step 3: Cross multiply
    48,996.63x = 73,497.51 × 13,939.02
  4. Step 4: Simplify right side
    48,996.63x = 1,024,483,261.84
  5. Step 5: Solve for x
    x = 1,024,483,261.84/48,996.63
  6. Step 6: Final answer
    x = 20,909.26

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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.