Home / 37,912.13-52,318.73-21,145.13

Finding the Fourth Proportional to 37,912.13, 52,318.73 and 21,145.13

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Solution

The fourth proportional to 37,912.13, 52,318.73 and 21,145.13 is: 29,180.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.13 : 52,318.73 = 21,145.13 : x
  2. Step 2: Convert to fraction form
    37,912.13/52,318.73 = 21,145.13/x
  3. Step 3: Cross multiply
    37,912.13x = 52,318.73 × 21,145.13
  4. Step 4: Simplify right side
    37,912.13x = 1,106,286,138.55
  5. Step 5: Solve for x
    x = 1,106,286,138.55/37,912.13
  6. Step 6: Final answer
    x = 29,180.27

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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.