Home / 90,435.48-135,659.34-33,514.68

Finding the Fourth Proportional to 90,435.48, 135,659.34 and 33,514.68

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Solution

The fourth proportional to 90,435.48, 135,659.34 and 33,514.68 is: 50,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,435.48 : 135,659.34 = 33,514.68 : x
  2. Step 2: Convert to fraction form
    90,435.48/135,659.34 = 33,514.68/x
  3. Step 3: Cross multiply
    90,435.48x = 135,659.34 × 33,514.68
  4. Step 4: Simplify right side
    90,435.48x = 4,546,579,369.11
  5. Step 5: Solve for x
    x = 4,546,579,369.11/90,435.48
  6. Step 6: Final answer
    x = 50,274.29

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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.