Home / 40,579.34-55,910.36-30,327.44

Finding the Fourth Proportional to 40,579.34, 55,910.36 and 30,327.44

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Solution

The fourth proportional to 40,579.34, 55,910.36 and 30,327.44 is: 41,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,579.34 : 55,910.36 = 30,327.44 : x
  2. Step 2: Convert to fraction form
    40,579.34/55,910.36 = 30,327.44/x
  3. Step 3: Cross multiply
    40,579.34x = 55,910.36 × 30,327.44
  4. Step 4: Simplify right side
    40,579.34x = 1,695,618,088.28
  5. Step 5: Solve for x
    x = 1,695,618,088.28/40,579.34
  6. Step 6: Final answer
    x = 41,785.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.