Home / 37,805.24-52,171.42-20,811.20

Finding the Fourth Proportional to 37,805.24, 52,171.42 and 20,811.20

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Solution

The fourth proportional to 37,805.24, 52,171.42 and 20,811.20 is: 28,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.24 : 52,171.42 = 20,811.20 : x
  2. Step 2: Convert to fraction form
    37,805.24/52,171.42 = 20,811.20/x
  3. Step 3: Cross multiply
    37,805.24x = 52,171.42 × 20,811.20
  4. Step 4: Simplify right side
    37,805.24x = 1,085,749,647.07
  5. Step 5: Solve for x
    x = 1,085,749,647.07/37,805.24
  6. Step 6: Final answer
    x = 28,719.55

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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.