Home / 37,721.16-52,057.74-21,809.64

Finding the Fourth Proportional to 37,721.16, 52,057.74 and 21,809.64

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Solution

The fourth proportional to 37,721.16, 52,057.74 and 21,809.64 is: 30,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.16 : 52,057.74 = 21,809.64 : x
  2. Step 2: Convert to fraction form
    37,721.16/52,057.74 = 21,809.64/x
  3. Step 3: Cross multiply
    37,721.16x = 52,057.74 × 21,809.64
  4. Step 4: Simplify right side
    37,721.16x = 1,135,360,568.61
  5. Step 5: Solve for x
    x = 1,135,360,568.61/37,721.16
  6. Step 6: Final answer
    x = 30,098.77

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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.