Home / 54,354.99-75,009.87-30,481.59

Finding the Fourth Proportional to 54,354.99, 75,009.87 and 30,481.59

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Solution

The fourth proportional to 54,354.99, 75,009.87 and 30,481.59 is: 42,064.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.99 : 75,009.87 = 30,481.59 : x
  2. Step 2: Convert to fraction form
    54,354.99/75,009.87 = 30,481.59/x
  3. Step 3: Cross multiply
    54,354.99x = 75,009.87 × 30,481.59
  4. Step 4: Simplify right side
    54,354.99x = 2,286,420,103.29
  5. Step 5: Solve for x
    x = 2,286,420,103.29/54,354.99
  6. Step 6: Final answer
    x = 42,064.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.