Home / 49,904.58-68,882.22-28,690.68

Finding the Fourth Proportional to 49,904.58, 68,882.22 and 28,690.68

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Solution

The fourth proportional to 49,904.58, 68,882.22 and 28,690.68 is: 39,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.58 : 68,882.22 = 28,690.68 : x
  2. Step 2: Convert to fraction form
    49,904.58/68,882.22 = 28,690.68/x
  3. Step 3: Cross multiply
    49,904.58x = 68,882.22 × 28,690.68
  4. Step 4: Simplify right side
    49,904.58x = 1,976,277,731.71
  5. Step 5: Solve for x
    x = 1,976,277,731.71/49,904.58
  6. Step 6: Final answer
    x = 39,601.13

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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.