Home / 55,359.20-82,947.60-31,944.80

Finding the Fourth Proportional to 55,359.20, 82,947.60 and 31,944.80

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Solution

The fourth proportional to 55,359.20, 82,947.60 and 31,944.80 is: 47,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.20 : 82,947.60 = 31,944.80 : x
  2. Step 2: Convert to fraction form
    55,359.20/82,947.60 = 31,944.80/x
  3. Step 3: Cross multiply
    55,359.20x = 82,947.60 × 31,944.80
  4. Step 4: Simplify right side
    55,359.20x = 2,649,744,492.48
  5. Step 5: Solve for x
    x = 2,649,744,492.48/55,359.20
  6. Step 6: Final answer
    x = 47,864.57

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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.