Home / 54,309.87-81,464.91-23,145.12

Finding the Fourth Proportional to 54,309.87, 81,464.91 and 23,145.12

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Solution

The fourth proportional to 54,309.87, 81,464.91 and 23,145.12 is: 34,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.87 : 81,464.91 = 23,145.12 : x
  2. Step 2: Convert to fraction form
    54,309.87/81,464.91 = 23,145.12/x
  3. Step 3: Cross multiply
    54,309.87x = 81,464.91 × 23,145.12
  4. Step 4: Simplify right side
    54,309.87x = 1,885,514,997.11
  5. Step 5: Solve for x
    x = 1,885,514,997.11/54,309.87
  6. Step 6: Final answer
    x = 34,717.72

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1.5x scale

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.