Home / 49,767.13-74,650.69-12,831.13

Finding the Fourth Proportional to 49,767.13, 74,650.69 and 12,831.13

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Solution

The fourth proportional to 49,767.13, 74,650.69 and 12,831.13 is: 19,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,767.13 : 74,650.69 = 12,831.13 : x
  2. Step 2: Convert to fraction form
    49,767.13/74,650.69 = 12,831.13/x
  3. Step 3: Cross multiply
    49,767.13x = 74,650.69 × 12,831.13
  4. Step 4: Simplify right side
    49,767.13x = 957,852,707.98
  5. Step 5: Solve for x
    x = 957,852,707.98/49,767.13
  6. Step 6: Final answer
    x = 19,246.69

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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.