Home / 54,748.02-82,121.85-13,195.02

Finding the Fourth Proportional to 54,748.02, 82,121.85 and 13,195.02

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Solution

The fourth proportional to 54,748.02, 82,121.85 and 13,195.02 is: 19,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.02 : 82,121.85 = 13,195.02 : x
  2. Step 2: Convert to fraction form
    54,748.02/82,121.85 = 13,195.02/x
  3. Step 3: Cross multiply
    54,748.02x = 82,121.85 × 13,195.02
  4. Step 4: Simplify right side
    54,748.02x = 1,083,599,453.19
  5. Step 5: Solve for x
    x = 1,083,599,453.19/54,748.02
  6. Step 6: Final answer
    x = 19,792.49

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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.