Home / 35,617.20-53,374.80-20,002.08

Finding the Fourth Proportional to 35,617.20, 53,374.80 and 20,002.08

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Solution

The fourth proportional to 35,617.20, 53,374.80 and 20,002.08 is: 29,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,617.20 : 53,374.80 = 20,002.08 : x
  2. Step 2: Convert to fraction form
    35,617.20/53,374.80 = 20,002.08/x
  3. Step 3: Cross multiply
    35,617.20x = 53,374.80 × 20,002.08
  4. Step 4: Simplify right side
    35,617.20x = 1,067,607,019.58
  5. Step 5: Solve for x
    x = 1,067,607,019.58/35,617.20
  6. Step 6: Final answer
    x = 29,974.48

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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.