Home / 36,405.23-50,240.22-20,490.23

Finding the Fourth Proportional to 36,405.23, 50,240.22 and 20,490.23

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Solution

The fourth proportional to 36,405.23, 50,240.22 and 20,490.23 is: 28,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.23 : 50,240.22 = 20,490.23 : x
  2. Step 2: Convert to fraction form
    36,405.23/50,240.22 = 20,490.23/x
  3. Step 3: Cross multiply
    36,405.23x = 50,240.22 × 20,490.23
  4. Step 4: Simplify right side
    36,405.23x = 1,029,433,663.05
  5. Step 5: Solve for x
    x = 1,029,433,663.05/36,405.23
  6. Step 6: Final answer
    x = 28,277.08

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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.