Home / 54,658.76-75,433.68-30,790.12

Finding the Fourth Proportional to 54,658.76, 75,433.68 and 30,790.12

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Solution

The fourth proportional to 54,658.76, 75,433.68 and 30,790.12 is: 42,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.76 : 75,433.68 = 30,790.12 : x
  2. Step 2: Convert to fraction form
    54,658.76/75,433.68 = 30,790.12/x
  3. Step 3: Cross multiply
    54,658.76x = 75,433.68 × 30,790.12
  4. Step 4: Simplify right side
    54,658.76x = 2,322,612,059.24
  5. Step 5: Solve for x
    x = 2,322,612,059.24/54,658.76
  6. Step 6: Final answer
    x = 42,492.95

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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.