Home / 37,760.76-52,111.19-20,766.30

Finding the Fourth Proportional to 37,760.76, 52,111.19 and 20,766.30

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Solution

The fourth proportional to 37,760.76, 52,111.19 and 20,766.30 is: 28,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,760.76 : 52,111.19 = 20,766.30 : x
  2. Step 2: Convert to fraction form
    37,760.76/52,111.19 = 20,766.30/x
  3. Step 3: Cross multiply
    37,760.76x = 52,111.19 × 20,766.30
  4. Step 4: Simplify right side
    37,760.76x = 1,082,156,240.51
  5. Step 5: Solve for x
    x = 1,082,156,240.51/37,760.76
  6. Step 6: Final answer
    x = 28,658.22

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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.