Home / 54,357.12-81,424.32-32,103.12

Finding the Fourth Proportional to 54,357.12, 81,424.32 and 32,103.12

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Solution

The fourth proportional to 54,357.12, 81,424.32 and 32,103.12 is: 48,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.12 : 81,424.32 = 32,103.12 : x
  2. Step 2: Convert to fraction form
    54,357.12/81,424.32 = 32,103.12/x
  3. Step 3: Cross multiply
    54,357.12x = 81,424.32 × 32,103.12
  4. Step 4: Simplify right side
    54,357.12x = 2,613,974,715.88
  5. Step 5: Solve for x
    x = 2,613,974,715.88/54,357.12
  6. Step 6: Final answer
    x = 48,088.91

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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.