Home / 39,817.10-54,945.06-22,821.14

Finding the Fourth Proportional to 39,817.10, 54,945.06 and 22,821.14

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Solution

The fourth proportional to 39,817.10, 54,945.06 and 22,821.14 is: 31,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.10 : 54,945.06 = 22,821.14 : x
  2. Step 2: Convert to fraction form
    39,817.10/54,945.06 = 22,821.14/x
  3. Step 3: Cross multiply
    39,817.10x = 54,945.06 × 22,821.14
  4. Step 4: Simplify right side
    39,817.10x = 1,253,908,906.57
  5. Step 5: Solve for x
    x = 1,253,908,906.57/39,817.10
  6. Step 6: Final answer
    x = 31,491.72

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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.