Home / 34,056.76-51,018.72-19,220.80

Finding the Fourth Proportional to 34,056.76, 51,018.72 and 19,220.80

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Solution

The fourth proportional to 34,056.76, 51,018.72 and 19,220.80 is: 28,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.76 : 51,018.72 = 19,220.80 : x
  2. Step 2: Convert to fraction form
    34,056.76/51,018.72 = 19,220.80/x
  3. Step 3: Cross multiply
    34,056.76x = 51,018.72 × 19,220.80
  4. Step 4: Simplify right side
    34,056.76x = 980,620,613.38
  5. Step 5: Solve for x
    x = 980,620,613.38/34,056.76
  6. Step 6: Final answer
    x = 28,793.71

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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.