Home / 55,942.10-83,927.61-20,882.06

Finding the Fourth Proportional to 55,942.10, 83,927.61 and 20,882.06

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Solution

The fourth proportional to 55,942.10, 83,927.61 and 20,882.06 is: 31,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,942.10 : 83,927.61 = 20,882.06 : x
  2. Step 2: Convert to fraction form
    55,942.10/83,927.61 = 20,882.06/x
  3. Step 3: Cross multiply
    55,942.10x = 83,927.61 × 20,882.06
  4. Step 4: Simplify right side
    55,942.10x = 1,752,581,387.68
  5. Step 5: Solve for x
    x = 1,752,581,387.68/55,942.10
  6. Step 6: Final answer
    x = 31,328.49

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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.