Home / 37,771.72-52,125.08-20,777.71

Finding the Fourth Proportional to 37,771.72, 52,125.08 and 20,777.71

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Solution

The fourth proportional to 37,771.72, 52,125.08 and 20,777.71 is: 28,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.72 : 52,125.08 = 20,777.71 : x
  2. Step 2: Convert to fraction form
    37,771.72/52,125.08 = 20,777.71/x
  3. Step 3: Cross multiply
    37,771.72x = 52,125.08 × 20,777.71
  4. Step 4: Simplify right side
    37,771.72x = 1,083,039,795.97
  5. Step 5: Solve for x
    x = 1,083,039,795.97/37,771.72
  6. Step 6: Final answer
    x = 28,673.30

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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.