Home / 35,619.20-53,377.80-20,004.08

Finding the Fourth Proportional to 35,619.20, 53,377.80 and 20,004.08

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Solution

The fourth proportional to 35,619.20, 53,377.80 and 20,004.08 is: 29,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.20 : 53,377.80 = 20,004.08 : x
  2. Step 2: Convert to fraction form
    35,619.20/53,377.80 = 20,004.08/x
  3. Step 3: Cross multiply
    35,619.20x = 53,377.80 × 20,004.08
  4. Step 4: Simplify right side
    35,619.20x = 1,067,773,781.42
  5. Step 5: Solve for x
    x = 1,067,773,781.42/35,619.20
  6. Step 6: Final answer
    x = 29,977.48

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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.