Home / 35,789.36-53,651.16-12,399.44

Finding the Fourth Proportional to 35,789.36, 53,651.16 and 12,399.44

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Solution

The fourth proportional to 35,789.36, 53,651.16 and 12,399.44 is: 18,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.36 : 53,651.16 = 12,399.44 : x
  2. Step 2: Convert to fraction form
    35,789.36/53,651.16 = 12,399.44/x
  3. Step 3: Cross multiply
    35,789.36x = 53,651.16 × 12,399.44
  4. Step 4: Simplify right side
    35,789.36x = 665,244,339.35
  5. Step 5: Solve for x
    x = 665,244,339.35/35,789.36
  6. Step 6: Final answer
    x = 18,587.77

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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.