Home / 37,804.78-52,170.19-20,808.66

Finding the Fourth Proportional to 37,804.78, 52,170.19 and 20,808.66

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Solution

The fourth proportional to 37,804.78, 52,170.19 and 20,808.66 is: 28,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,804.78 : 52,170.19 = 20,808.66 : x
  2. Step 2: Convert to fraction form
    37,804.78/52,170.19 = 20,808.66/x
  3. Step 3: Cross multiply
    37,804.78x = 52,170.19 × 20,808.66
  4. Step 4: Simplify right side
    37,804.78x = 1,085,591,641.80
  5. Step 5: Solve for x
    x = 1,085,591,641.80/37,804.78
  6. Step 6: Final answer
    x = 28,715.72

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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.