Home / 36,020.58-49,702.45-20,105.03

Finding the Fourth Proportional to 36,020.58, 49,702.45 and 20,105.03

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Solution

The fourth proportional to 36,020.58, 49,702.45 and 20,105.03 is: 27,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.58 : 49,702.45 = 20,105.03 : x
  2. Step 2: Convert to fraction form
    36,020.58/49,702.45 = 20,105.03/x
  3. Step 3: Cross multiply
    36,020.58x = 49,702.45 × 20,105.03
  4. Step 4: Simplify right side
    36,020.58x = 999,269,248.32
  5. Step 5: Solve for x
    x = 999,269,248.32/36,020.58
  6. Step 6: Final answer
    x = 27,741.62

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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.