Home / 37,113.85-51,220.35-20,350.09

Finding the Fourth Proportional to 37,113.85, 51,220.35 and 20,350.09

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Solution

The fourth proportional to 37,113.85, 51,220.35 and 20,350.09 is: 28,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,113.85 : 51,220.35 = 20,350.09 : x
  2. Step 2: Convert to fraction form
    37,113.85/51,220.35 = 20,350.09/x
  3. Step 3: Cross multiply
    37,113.85x = 51,220.35 × 20,350.09
  4. Step 4: Simplify right side
    37,113.85x = 1,042,338,604.28
  5. Step 5: Solve for x
    x = 1,042,338,604.28/37,113.85
  6. Step 6: Final answer
    x = 28,084.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.