Home / 55,329.20-82,902.60-31,914.80

Finding the Fourth Proportional to 55,329.20, 82,902.60 and 31,914.80

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Solution

The fourth proportional to 55,329.20, 82,902.60 and 31,914.80 is: 47,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.20 : 82,902.60 = 31,914.80 : x
  2. Step 2: Convert to fraction form
    55,329.20/82,902.60 = 31,914.80/x
  3. Step 3: Cross multiply
    55,329.20x = 82,902.60 × 31,914.80
  4. Step 4: Simplify right side
    55,329.20x = 2,645,819,898.48
  5. Step 5: Solve for x
    x = 2,645,819,898.48/55,329.20
  6. Step 6: Final answer
    x = 47,819.59

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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.