Home / 49,857.92-74,786.68-20,275.51

Finding the Fourth Proportional to 49,857.92, 74,786.68 and 20,275.51

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Solution

The fourth proportional to 49,857.92, 74,786.68 and 20,275.51 is: 30,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.92 : 74,786.68 = 20,275.51 : x
  2. Step 2: Convert to fraction form
    49,857.92/74,786.68 = 20,275.51/x
  3. Step 3: Cross multiply
    49,857.92x = 74,786.68 × 20,275.51
  4. Step 4: Simplify right side
    49,857.92x = 1,516,337,602.90
  5. Step 5: Solve for x
    x = 1,516,337,602.90/49,857.92
  6. Step 6: Final answer
    x = 30,413.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.