Home / 56,742.78-78,297.87-32,869.26

Finding the Fourth Proportional to 56,742.78, 78,297.87 and 32,869.26

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Solution

The fourth proportional to 56,742.78, 78,297.87 and 32,869.26 is: 45,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.78 : 78,297.87 = 32,869.26 : x
  2. Step 2: Convert to fraction form
    56,742.78/78,297.87 = 32,869.26/x
  3. Step 3: Cross multiply
    56,742.78x = 78,297.87 × 32,869.26
  4. Step 4: Simplify right side
    56,742.78x = 2,573,593,046.48
  5. Step 5: Solve for x
    x = 2,573,593,046.48/56,742.78
  6. Step 6: Final answer
    x = 45,355.43

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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.