Home / 35,131.25-52,633.08-20,308.86

Finding the Fourth Proportional to 35,131.25, 52,633.08 and 20,308.86

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Solution

The fourth proportional to 35,131.25, 52,633.08 and 20,308.86 is: 30,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.25 : 52,633.08 = 20,308.86 : x
  2. Step 2: Convert to fraction form
    35,131.25/52,633.08 = 20,308.86/x
  3. Step 3: Cross multiply
    35,131.25x = 52,633.08 × 20,308.86
  4. Step 4: Simplify right side
    35,131.25x = 1,068,917,853.09
  5. Step 5: Solve for x
    x = 1,068,917,853.09/35,131.25
  6. Step 6: Final answer
    x = 30,426.41

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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.