Home / 29,758.96-41,077.47-20,825.11

Finding the Fourth Proportional to 29,758.96, 41,077.47 and 20,825.11

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Solution

The fourth proportional to 29,758.96, 41,077.47 and 20,825.11 is: 28,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,758.96 : 41,077.47 = 20,825.11 : x
  2. Step 2: Convert to fraction form
    29,758.96/41,077.47 = 20,825.11/x
  3. Step 3: Cross multiply
    29,758.96x = 41,077.47 × 20,825.11
  4. Step 4: Simplify right side
    29,758.96x = 855,442,831.27
  5. Step 5: Solve for x
    x = 855,442,831.27/29,758.96
  6. Step 6: Final answer
    x = 28,745.72

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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.