Home / 56,279.46-84,431.67-21,219.42

Finding the Fourth Proportional to 56,279.46, 84,431.67 and 21,219.42

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Solution

The fourth proportional to 56,279.46, 84,431.67 and 21,219.42 is: 31,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,279.46 : 84,431.67 = 21,219.42 : x
  2. Step 2: Convert to fraction form
    56,279.46/84,431.67 = 21,219.42/x
  3. Step 3: Cross multiply
    56,279.46x = 84,431.67 × 21,219.42
  4. Step 4: Simplify right side
    56,279.46x = 1,791,591,067.03
  5. Step 5: Solve for x
    x = 1,791,591,067.03/56,279.46
  6. Step 6: Final answer
    x = 31,833.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.