Home / 49,212-67,916.21-27,998.10

Finding the Fourth Proportional to 49,212, 67,916.21 and 27,998.10

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Solution

The fourth proportional to 49,212, 67,916.21 and 27,998.10 is: 38,639.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212 : 67,916.21 = 27,998.10 : x
  2. Step 2: Convert to fraction form
    49,212/67,916.21 = 27,998.10/x
  3. Step 3: Cross multiply
    49,212x = 67,916.21 × 27,998.10
  4. Step 4: Simplify right side
    49,212x = 1,901,524,839.20
  5. Step 5: Solve for x
    x = 1,901,524,839.20/49,212
  6. Step 6: Final answer
    x = 38,639.45

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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.