Home / 38,601.38-53,269.91-20,937.38

Finding the Fourth Proportional to 38,601.38, 53,269.91 and 20,937.38

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Solution

The fourth proportional to 38,601.38, 53,269.91 and 20,937.38 is: 28,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.38 : 53,269.91 = 20,937.38 : x
  2. Step 2: Convert to fraction form
    38,601.38/53,269.91 = 20,937.38/x
  3. Step 3: Cross multiply
    38,601.38x = 53,269.91 × 20,937.38
  4. Step 4: Simplify right side
    38,601.38x = 1,115,331,977.20
  5. Step 5: Solve for x
    x = 1,115,331,977.20/38,601.38
  6. Step 6: Final answer
    x = 28,893.58

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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.