Home / 35,621.28-53,380.80-20,006.04

Finding the Fourth Proportional to 35,621.28, 53,380.80 and 20,006.04

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Solution

The fourth proportional to 35,621.28, 53,380.80 and 20,006.04 is: 29,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.28 : 53,380.80 = 20,006.04 : x
  2. Step 2: Convert to fraction form
    35,621.28/53,380.80 = 20,006.04/x
  3. Step 3: Cross multiply
    35,621.28x = 53,380.80 × 20,006.04
  4. Step 4: Simplify right side
    35,621.28x = 1,067,938,420.03
  5. Step 5: Solve for x
    x = 1,067,938,420.03/35,621.28
  6. Step 6: Final answer
    x = 29,980.35

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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.