Home / 56,944.20-85,416.30-15,391.20

Finding the Fourth Proportional to 56,944.20, 85,416.30 and 15,391.20

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Solution

The fourth proportional to 56,944.20, 85,416.30 and 15,391.20 is: 23,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.20 : 85,416.30 = 15,391.20 : x
  2. Step 2: Convert to fraction form
    56,944.20/85,416.30 = 15,391.20/x
  3. Step 3: Cross multiply
    56,944.20x = 85,416.30 × 15,391.20
  4. Step 4: Simplify right side
    56,944.20x = 1,314,659,356.56
  5. Step 5: Solve for x
    x = 1,314,659,356.56/56,944.20
  6. Step 6: Final answer
    x = 23,086.80

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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.