Home / 37,912.36-52,320.18-21,145

Finding the Fourth Proportional to 37,912.36, 52,320.18 and 21,145

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Solution

The fourth proportional to 37,912.36, 52,320.18 and 21,145 is: 29,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.36 : 52,320.18 = 21,145 : x
  2. Step 2: Convert to fraction form
    37,912.36/52,320.18 = 21,145/x
  3. Step 3: Cross multiply
    37,912.36x = 52,320.18 × 21,145
  4. Step 4: Simplify right side
    37,912.36x = 1,106,310,206.10
  5. Step 5: Solve for x
    x = 1,106,310,206.10/37,912.36
  6. Step 6: Final answer
    x = 29,180.73

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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.