Home / 35,621.20-53,380.80-20,006.08

Finding the Fourth Proportional to 35,621.20, 53,380.80 and 20,006.08

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Solution

The fourth proportional to 35,621.20, 53,380.80 and 20,006.08 is: 29,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.20 : 53,380.80 = 20,006.08 : x
  2. Step 2: Convert to fraction form
    35,621.20/53,380.80 = 20,006.08/x
  3. Step 3: Cross multiply
    35,621.20x = 53,380.80 × 20,006.08
  4. Step 4: Simplify right side
    35,621.20x = 1,067,940,555.26
  5. Step 5: Solve for x
    x = 1,067,940,555.26/35,621.20
  6. Step 6: Final answer
    x = 29,980.48

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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.