Home / 36,405.73-50,240.91-20,490.73

Finding the Fourth Proportional to 36,405.73, 50,240.91 and 20,490.73

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Solution

The fourth proportional to 36,405.73, 50,240.91 and 20,490.73 is: 28,277.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.73 : 50,240.91 = 20,490.73 : x
  2. Step 2: Convert to fraction form
    36,405.73/50,240.91 = 20,490.73/x
  3. Step 3: Cross multiply
    36,405.73x = 50,240.91 × 20,490.73
  4. Step 4: Simplify right side
    36,405.73x = 1,029,472,921.76
  5. Step 5: Solve for x
    x = 1,029,472,921.76/36,405.73
  6. Step 6: Final answer
    x = 28,277.77

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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.