Home / 49,151.48-67,828.66-27,930.76

Finding the Fourth Proportional to 49,151.48, 67,828.66 and 27,930.76

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Solution

The fourth proportional to 49,151.48, 67,828.66 and 27,930.76 is: 38,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,151.48 : 67,828.66 = 27,930.76 : x
  2. Step 2: Convert to fraction form
    49,151.48/67,828.66 = 27,930.76/x
  3. Step 3: Cross multiply
    49,151.48x = 67,828.66 × 27,930.76
  4. Step 4: Simplify right side
    49,151.48x = 1,894,505,784.18
  5. Step 5: Solve for x
    x = 1,894,505,784.18/49,151.48
  6. Step 6: Final answer
    x = 38,544.23

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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.