Home / 56,861.39-78,467.46-31,367.77

Finding the Fourth Proportional to 56,861.39, 78,467.46 and 31,367.77

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Solution

The fourth proportional to 56,861.39, 78,467.46 and 31,367.77 is: 43,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861.39 : 78,467.46 = 31,367.77 : x
  2. Step 2: Convert to fraction form
    56,861.39/78,467.46 = 31,367.77/x
  3. Step 3: Cross multiply
    56,861.39x = 78,467.46 × 31,367.77
  4. Step 4: Simplify right side
    56,861.39x = 2,461,349,080.93
  5. Step 5: Solve for x
    x = 2,461,349,080.93/56,861.39
  6. Step 6: Final answer
    x = 43,286.83

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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.