Home / 36,726.80-50,692.20-20,820.74

Finding the Fourth Proportional to 36,726.80, 50,692.20 and 20,820.74

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Solution

The fourth proportional to 36,726.80, 50,692.20 and 20,820.74 is: 28,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,726.80 : 50,692.20 = 20,820.74 : x
  2. Step 2: Convert to fraction form
    36,726.80/50,692.20 = 20,820.74/x
  3. Step 3: Cross multiply
    36,726.80x = 50,692.20 × 20,820.74
  4. Step 4: Simplify right side
    36,726.80x = 1,055,449,116.23
  5. Step 5: Solve for x
    x = 1,055,449,116.23/36,726.80
  6. Step 6: Final answer
    x = 28,737.85

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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.