Home / 35,757.12-53,635.72-18,239.25

Finding the Fourth Proportional to 35,757.12, 53,635.72 and 18,239.25

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Solution

The fourth proportional to 35,757.12, 53,635.72 and 18,239.25 is: 27,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.12 : 53,635.72 = 18,239.25 : x
  2. Step 2: Convert to fraction form
    35,757.12/53,635.72 = 18,239.25/x
  3. Step 3: Cross multiply
    35,757.12x = 53,635.72 × 18,239.25
  4. Step 4: Simplify right side
    35,757.12x = 978,275,306.01
  5. Step 5: Solve for x
    x = 978,275,306.01/35,757.12
  6. Step 6: Final answer
    x = 27,358.90

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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.