Home / 55,411.20-83,025.60-31,996.80

Finding the Fourth Proportional to 55,411.20, 83,025.60 and 31,996.80

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Solution

The fourth proportional to 55,411.20, 83,025.60 and 31,996.80 is: 47,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,411.20 : 83,025.60 = 31,996.80 : x
  2. Step 2: Convert to fraction form
    55,411.20/83,025.60 = 31,996.80/x
  3. Step 3: Cross multiply
    55,411.20x = 83,025.60 × 31,996.80
  4. Step 4: Simplify right side
    55,411.20x = 2,656,553,518.08
  5. Step 5: Solve for x
    x = 2,656,553,518.08/55,411.20
  6. Step 6: Final answer
    x = 47,942.54

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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.