Home / 49,831.14-74,776.17-20,246.70

Finding the Fourth Proportional to 49,831.14, 74,776.17 and 20,246.70

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Solution

The fourth proportional to 49,831.14, 74,776.17 and 20,246.70 is: 30,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.14 : 74,776.17 = 20,246.70 : x
  2. Step 2: Convert to fraction form
    49,831.14/74,776.17 = 20,246.70/x
  3. Step 3: Cross multiply
    49,831.14x = 74,776.17 × 20,246.70
  4. Step 4: Simplify right side
    49,831.14x = 1,513,970,681.14
  5. Step 5: Solve for x
    x = 1,513,970,681.14/49,831.14
  6. Step 6: Final answer
    x = 30,382.02

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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.