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Finding the Fourth Proportional to 55,693.59, 76,857.26 and 30,543.27

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Solution

The fourth proportional to 55,693.59, 76,857.26 and 30,543.27 is: 42,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,693.59 : 76,857.26 = 30,543.27 : x
  2. Step 2: Convert to fraction form
    55,693.59/76,857.26 = 30,543.27/x
  3. Step 3: Cross multiply
    55,693.59x = 76,857.26 × 30,543.27
  4. Step 4: Simplify right side
    55,693.59x = 2,347,471,890.92
  5. Step 5: Solve for x
    x = 2,347,471,890.92/55,693.59
  6. Step 6: Final answer
    x = 42,149.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.