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Finding the Fourth Proportional to 56,788, 78,364.18 and 32,583.84

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Solution

The fourth proportional to 56,788, 78,364.18 and 32,583.84 is: 44,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,788 : 78,364.18 = 32,583.84 : x
  2. Step 2: Convert to fraction form
    56,788/78,364.18 = 32,583.84/x
  3. Step 3: Cross multiply
    56,788x = 78,364.18 × 32,583.84
  4. Step 4: Simplify right side
    56,788x = 2,553,405,902.85
  5. Step 5: Solve for x
    x = 2,553,405,902.85/56,788
  6. Step 6: Final answer
    x = 44,963.83

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Why These Related Problems?

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