Home / 36,130.70-54,196.14-19,498.56

Finding the Fourth Proportional to 36,130.70, 54,196.14 and 19,498.56

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Solution

The fourth proportional to 36,130.70, 54,196.14 and 19,498.56 is: 29,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.70 : 54,196.14 = 19,498.56 : x
  2. Step 2: Convert to fraction form
    36,130.70/54,196.14 = 19,498.56/x
  3. Step 3: Cross multiply
    36,130.70x = 54,196.14 × 19,498.56
  4. Step 4: Simplify right side
    36,130.70x = 1,056,746,687.56
  5. Step 5: Solve for x
    x = 1,056,746,687.56/36,130.70
  6. Step 6: Final answer
    x = 29,247.89

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.