Home / 36,436.10-54,654.15-28,128.24

Finding the Fourth Proportional to 36,436.10, 54,654.15 and 28,128.24

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Solution

The fourth proportional to 36,436.10, 54,654.15 and 28,128.24 is: 42,192.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.10 : 54,654.15 = 28,128.24 : x
  2. Step 2: Convert to fraction form
    36,436.10/54,654.15 = 28,128.24/x
  3. Step 3: Cross multiply
    36,436.10x = 54,654.15 × 28,128.24
  4. Step 4: Simplify right side
    36,436.10x = 1,537,325,048.20
  5. Step 5: Solve for x
    x = 1,537,325,048.20/36,436.10
  6. Step 6: Final answer
    x = 42,192.37

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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.