Home / 35,987.22-53,980.83-18,445.86

Finding the Fourth Proportional to 35,987.22, 53,980.83 and 18,445.86

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Solution

The fourth proportional to 35,987.22, 53,980.83 and 18,445.86 is: 27,668.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.22 : 53,980.83 = 18,445.86 : x
  2. Step 2: Convert to fraction form
    35,987.22/53,980.83 = 18,445.86/x
  3. Step 3: Cross multiply
    35,987.22x = 53,980.83 × 18,445.86
  4. Step 4: Simplify right side
    35,987.22x = 995,722,832.86
  5. Step 5: Solve for x
    x = 995,722,832.86/35,987.22
  6. Step 6: Final answer
    x = 27,668.79

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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.