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Finding the Fourth Proportional to 57,879.72, 86,802.48 and 24,598.80

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Solution

The fourth proportional to 57,879.72, 86,802.48 and 24,598.80 is: 36,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.72 : 86,802.48 = 24,598.80 : x
  2. Step 2: Convert to fraction form
    57,879.72/86,802.48 = 24,598.80/x
  3. Step 3: Cross multiply
    57,879.72x = 86,802.48 × 24,598.80
  4. Step 4: Simplify right side
    57,879.72x = 2,135,236,845.02
  5. Step 5: Solve for x
    x = 2,135,236,845.02/57,879.72
  6. Step 6: Final answer
    x = 36,890.93

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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.