Home / 56,764.68-78,336.66-31,614.60

Finding the Fourth Proportional to 56,764.68, 78,336.66 and 31,614.60

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Solution

The fourth proportional to 56,764.68, 78,336.66 and 31,614.60 is: 43,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.68 : 78,336.66 = 31,614.60 : x
  2. Step 2: Convert to fraction form
    56,764.68/78,336.66 = 31,614.60/x
  3. Step 3: Cross multiply
    56,764.68x = 78,336.66 × 31,614.60
  4. Step 4: Simplify right side
    56,764.68x = 2,476,582,171.24
  5. Step 5: Solve for x
    x = 2,476,582,171.24/56,764.68
  6. Step 6: Final answer
    x = 43,628.93

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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.