Home / 37,452.70-51,686.94-21,538.90

Finding the Fourth Proportional to 37,452.70, 51,686.94 and 21,538.90

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Solution

The fourth proportional to 37,452.70, 51,686.94 and 21,538.90 is: 29,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,452.70 : 51,686.94 = 21,538.90 : x
  2. Step 2: Convert to fraction form
    37,452.70/51,686.94 = 21,538.90/x
  3. Step 3: Cross multiply
    37,452.70x = 51,686.94 × 21,538.90
  4. Step 4: Simplify right side
    37,452.70x = 1,113,279,831.97
  5. Step 5: Solve for x
    x = 1,113,279,831.97/37,452.70
  6. Step 6: Final answer
    x = 29,724.96

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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.