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Finding the Fourth Proportional to 56,277.69, 84,355.79 and 36,570.39

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Solution

The fourth proportional to 56,277.69, 84,355.79 and 36,570.39 is: 54,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.69 : 84,355.79 = 36,570.39 : x
  2. Step 2: Convert to fraction form
    56,277.69/84,355.79 = 36,570.39/x
  3. Step 3: Cross multiply
    56,277.69x = 84,355.79 × 36,570.39
  4. Step 4: Simplify right side
    56,277.69x = 3,084,923,956.21
  5. Step 5: Solve for x
    x = 3,084,923,956.21/56,277.69
  6. Step 6: Final answer
    x = 54,816.11

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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.