Home / 29,637.20-40,910.64-20,218.52

Finding the Fourth Proportional to 29,637.20, 40,910.64 and 20,218.52

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Solution

The fourth proportional to 29,637.20, 40,910.64 and 20,218.52 is: 27,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,637.20 : 40,910.64 = 20,218.52 : x
  2. Step 2: Convert to fraction form
    29,637.20/40,910.64 = 20,218.52/x
  3. Step 3: Cross multiply
    29,637.20x = 40,910.64 × 20,218.52
  4. Step 4: Simplify right side
    29,637.20x = 827,152,593.05
  5. Step 5: Solve for x
    x = 827,152,593.05/29,637.20
  6. Step 6: Final answer
    x = 27,909.27

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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.