Home / 38,897.08-53,676.94-22,129.08

Finding the Fourth Proportional to 38,897.08, 53,676.94 and 22,129.08

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Solution

The fourth proportional to 38,897.08, 53,676.94 and 22,129.08 is: 30,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.08 : 53,676.94 = 22,129.08 : x
  2. Step 2: Convert to fraction form
    38,897.08/53,676.94 = 22,129.08/x
  3. Step 3: Cross multiply
    38,897.08x = 53,676.94 × 22,129.08
  4. Step 4: Simplify right side
    38,897.08x = 1,187,821,299.42
  5. Step 5: Solve for x
    x = 1,187,821,299.42/38,897.08
  6. Step 6: Final answer
    x = 30,537.54

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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.