Home / 48,979.69-67,594.70-28,831.95

Finding the Fourth Proportional to 48,979.69, 67,594.70 and 28,831.95

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Solution

The fourth proportional to 48,979.69, 67,594.70 and 28,831.95 is: 39,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.69 : 67,594.70 = 28,831.95 : x
  2. Step 2: Convert to fraction form
    48,979.69/67,594.70 = 28,831.95/x
  3. Step 3: Cross multiply
    48,979.69x = 67,594.70 × 28,831.95
  4. Step 4: Simplify right side
    48,979.69x = 1,948,887,082.74
  5. Step 5: Solve for x
    x = 1,948,887,082.74/48,979.69
  6. Step 6: Final answer
    x = 39,789.70

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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.