Home / 36,446.12-50,294.61-20,530.20

Finding the Fourth Proportional to 36,446.12, 50,294.61 and 20,530.20

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Solution

The fourth proportional to 36,446.12, 50,294.61 and 20,530.20 is: 28,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,446.12 : 50,294.61 = 20,530.20 : x
  2. Step 2: Convert to fraction form
    36,446.12/50,294.61 = 20,530.20/x
  3. Step 3: Cross multiply
    36,446.12x = 50,294.61 × 20,530.20
  4. Step 4: Simplify right side
    36,446.12x = 1,032,558,402.22
  5. Step 5: Solve for x
    x = 1,032,558,402.22/36,446.12
  6. Step 6: Final answer
    x = 28,331.10

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Double scale
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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.