Home / 57,175.80-78,902.64-31,334.24

Finding the Fourth Proportional to 57,175.80, 78,902.64 and 31,334.24

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Solution

The fourth proportional to 57,175.80, 78,902.64 and 31,334.24 is: 43,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.80 : 78,902.64 = 31,334.24 : x
  2. Step 2: Convert to fraction form
    57,175.80/78,902.64 = 31,334.24/x
  3. Step 3: Cross multiply
    57,175.80x = 78,902.64 × 31,334.24
  4. Step 4: Simplify right side
    57,175.80x = 2,472,353,863.88
  5. Step 5: Solve for x
    x = 2,472,353,863.88/57,175.80
  6. Step 6: Final answer
    x = 43,241.26

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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.