Home / 35,195.94-52,720.46-21,111.30

Finding the Fourth Proportional to 35,195.94, 52,720.46 and 21,111.30

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Solution

The fourth proportional to 35,195.94, 52,720.46 and 21,111.30 is: 31,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,195.94 : 52,720.46 = 21,111.30 : x
  2. Step 2: Convert to fraction form
    35,195.94/52,720.46 = 21,111.30/x
  3. Step 3: Cross multiply
    35,195.94x = 52,720.46 × 21,111.30
  4. Step 4: Simplify right side
    35,195.94x = 1,112,997,447.20
  5. Step 5: Solve for x
    x = 1,112,997,447.20/35,195.94
  6. Step 6: Final answer
    x = 31,622.89

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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.