Home / 49,423.47-68,205.57-28,204.71

Finding the Fourth Proportional to 49,423.47, 68,205.57 and 28,204.71

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Solution

The fourth proportional to 49,423.47, 68,205.57 and 28,204.71 is: 38,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423.47 : 68,205.57 = 28,204.71 : x
  2. Step 2: Convert to fraction form
    49,423.47/68,205.57 = 28,204.71/x
  3. Step 3: Cross multiply
    49,423.47x = 68,205.57 × 28,204.71
  4. Step 4: Simplify right side
    49,423.47x = 1,923,718,322.23
  5. Step 5: Solve for x
    x = 1,923,718,322.23/49,423.47
  6. Step 6: Final answer
    x = 38,923.17

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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.