Home / 36,403.88-50,227.30-20,487.40

Finding the Fourth Proportional to 36,403.88, 50,227.30 and 20,487.40

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Solution

The fourth proportional to 36,403.88, 50,227.30 and 20,487.40 is: 28,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.88 : 50,227.30 = 20,487.40 : x
  2. Step 2: Convert to fraction form
    36,403.88/50,227.30 = 20,487.40/x
  3. Step 3: Cross multiply
    36,403.88x = 50,227.30 × 20,487.40
  4. Step 4: Simplify right side
    36,403.88x = 1,029,026,786.02
  5. Step 5: Solve for x
    x = 1,029,026,786.02/36,403.88
  6. Step 6: Final answer
    x = 28,266.95

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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.