Home / 35,380.40-53,101.38-18,752.36

Finding the Fourth Proportional to 35,380.40, 53,101.38 and 18,752.36

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Solution

The fourth proportional to 35,380.40, 53,101.38 and 18,752.36 is: 28,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,380.40 : 53,101.38 = 18,752.36 : x
  2. Step 2: Convert to fraction form
    35,380.40/53,101.38 = 18,752.36/x
  3. Step 3: Cross multiply
    35,380.40x = 53,101.38 × 18,752.36
  4. Step 4: Simplify right side
    35,380.40x = 995,776,194.26
  5. Step 5: Solve for x
    x = 995,776,194.26/35,380.40
  6. Step 6: Final answer
    x = 28,144.85

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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.