Home / 49,147.54-73,721.38-21,065.39

Finding the Fourth Proportional to 49,147.54, 73,721.38 and 21,065.39

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Solution

The fourth proportional to 49,147.54, 73,721.38 and 21,065.39 is: 31,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147.54 : 73,721.38 = 21,065.39 : x
  2. Step 2: Convert to fraction form
    49,147.54/73,721.38 = 21,065.39/x
  3. Step 3: Cross multiply
    49,147.54x = 73,721.38 × 21,065.39
  4. Step 4: Simplify right side
    49,147.54x = 1,552,969,621.04
  5. Step 5: Solve for x
    x = 1,552,969,621.04/49,147.54
  6. Step 6: Final answer
    x = 31,598.12

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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.