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Finding the Fourth Proportional to 56,706.97, 78,251.94 and 32,507.65

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Solution

The fourth proportional to 56,706.97, 78,251.94 and 32,507.65 is: 44,858.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,706.97 : 78,251.94 = 32,507.65 : x
  2. Step 2: Convert to fraction form
    56,706.97/78,251.94 = 32,507.65/x
  3. Step 3: Cross multiply
    56,706.97x = 78,251.94 × 32,507.65
  4. Step 4: Simplify right side
    56,706.97x = 2,543,786,568.62
  5. Step 5: Solve for x
    x = 2,543,786,568.62/56,706.97
  6. Step 6: Final answer
    x = 44,858.44

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1.5x scale

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.