Home / 54,345.21-81,500.97-26,247.81

Finding the Fourth Proportional to 54,345.21, 81,500.97 and 26,247.81

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Solution

The fourth proportional to 54,345.21, 81,500.97 and 26,247.81 is: 39,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.21 : 81,500.97 = 26,247.81 : x
  2. Step 2: Convert to fraction form
    54,345.21/81,500.97 = 26,247.81/x
  3. Step 3: Cross multiply
    54,345.21x = 81,500.97 × 26,247.81
  4. Step 4: Simplify right side
    54,345.21x = 2,139,221,975.38
  5. Step 5: Solve for x
    x = 2,139,221,975.38/54,345.21
  6. Step 6: Final answer
    x = 39,363.58

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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.