Home / 37,639.22-51,942.66-20,645.09

Finding the Fourth Proportional to 37,639.22, 51,942.66 and 20,645.09

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Solution

The fourth proportional to 37,639.22, 51,942.66 and 20,645.09 is: 28,490.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639.22 : 51,942.66 = 20,645.09 : x
  2. Step 2: Convert to fraction form
    37,639.22/51,942.66 = 20,645.09/x
  3. Step 3: Cross multiply
    37,639.22x = 51,942.66 × 20,645.09
  4. Step 4: Simplify right side
    37,639.22x = 1,072,360,630.83
  5. Step 5: Solve for x
    x = 1,072,360,630.83/37,639.22
  6. Step 6: Final answer
    x = 28,490.52

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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.