Home / 54,867.21-75,715.83-30,668.74

Finding the Fourth Proportional to 54,867.21, 75,715.83 and 30,668.74

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Solution

The fourth proportional to 54,867.21, 75,715.83 and 30,668.74 is: 42,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.21 : 75,715.83 = 30,668.74 : x
  2. Step 2: Convert to fraction form
    54,867.21/75,715.83 = 30,668.74/x
  3. Step 3: Cross multiply
    54,867.21x = 75,715.83 × 30,668.74
  4. Step 4: Simplify right side
    54,867.21x = 2,322,109,104.15
  5. Step 5: Solve for x
    x = 2,322,109,104.15/54,867.21
  6. Step 6: Final answer
    x = 42,322.35

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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.