Home / 34,141.60-51,212.40-20,144.80

Finding the Fourth Proportional to 34,141.60, 51,212.40 and 20,144.80

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Solution

The fourth proportional to 34,141.60, 51,212.40 and 20,144.80 is: 30,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,141.60 : 51,212.40 = 20,144.80 : x
  2. Step 2: Convert to fraction form
    34,141.60/51,212.40 = 20,144.80/x
  3. Step 3: Cross multiply
    34,141.60x = 51,212.40 × 20,144.80
  4. Step 4: Simplify right side
    34,141.60x = 1,031,663,555.52
  5. Step 5: Solve for x
    x = 1,031,663,555.52/34,141.60
  6. Step 6: Final answer
    x = 30,217.20

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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.