Home / 34,513.88-47,609.66-21,745.13

Finding the Fourth Proportional to 34,513.88, 47,609.66 and 21,745.13

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Solution

The fourth proportional to 34,513.88, 47,609.66 and 21,745.13 is: 29,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513.88 : 47,609.66 = 21,745.13 : x
  2. Step 2: Convert to fraction form
    34,513.88/47,609.66 = 21,745.13/x
  3. Step 3: Cross multiply
    34,513.88x = 47,609.66 × 21,745.13
  4. Step 4: Simplify right side
    34,513.88x = 1,035,278,062.27
  5. Step 5: Solve for x
    x = 1,035,278,062.27/34,513.88
  6. Step 6: Final answer
    x = 29,996.00

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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.