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Finding the Fourth Proportional to 48,670.78, 72,995.16 and 22,350.22

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Solution

The fourth proportional to 48,670.78, 72,995.16 and 22,350.22 is: 33,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.78 : 72,995.16 = 22,350.22 : x
  2. Step 2: Convert to fraction form
    48,670.78/72,995.16 = 22,350.22/x
  3. Step 3: Cross multiply
    48,670.78x = 72,995.16 × 22,350.22
  4. Step 4: Simplify right side
    48,670.78x = 1,631,457,884.94
  5. Step 5: Solve for x
    x = 1,631,457,884.94/48,670.78
  6. Step 6: Final answer
    x = 33,520.27

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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.