Home / 36,561.76-50,454.84-20,645.28

Finding the Fourth Proportional to 36,561.76, 50,454.84 and 20,645.28

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Solution

The fourth proportional to 36,561.76, 50,454.84 and 20,645.28 is: 28,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.76 : 50,454.84 = 20,645.28 : x
  2. Step 2: Convert to fraction form
    36,561.76/50,454.84 = 20,645.28/x
  3. Step 3: Cross multiply
    36,561.76x = 50,454.84 × 20,645.28
  4. Step 4: Simplify right side
    36,561.76x = 1,041,654,299.16
  5. Step 5: Solve for x
    x = 1,041,654,299.16/36,561.76
  6. Step 6: Final answer
    x = 28,490.27

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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.