Home / 39,568.35-54,605.27-21,663.30

Finding the Fourth Proportional to 39,568.35, 54,605.27 and 21,663.30

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Solution

The fourth proportional to 39,568.35, 54,605.27 and 21,663.30 is: 29,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,568.35 : 54,605.27 = 21,663.30 : x
  2. Step 2: Convert to fraction form
    39,568.35/54,605.27 = 21,663.30/x
  3. Step 3: Cross multiply
    39,568.35x = 54,605.27 × 21,663.30
  4. Step 4: Simplify right side
    39,568.35x = 1,182,930,237.27
  5. Step 5: Solve for x
    x = 1,182,930,237.27/39,568.35
  6. Step 6: Final answer
    x = 29,895.87

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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.