Home / 37,721.09-56,553.69-18,987.41

Finding the Fourth Proportional to 37,721.09, 56,553.69 and 18,987.41

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Solution

The fourth proportional to 37,721.09, 56,553.69 and 18,987.41 is: 28,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.09 : 56,553.69 = 18,987.41 : x
  2. Step 2: Convert to fraction form
    37,721.09/56,553.69 = 18,987.41/x
  3. Step 3: Cross multiply
    37,721.09x = 56,553.69 × 18,987.41
  4. Step 4: Simplify right side
    37,721.09x = 1,073,808,099.04
  5. Step 5: Solve for x
    x = 1,073,808,099.04/37,721.09
  6. Step 6: Final answer
    x = 28,467.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.