Home / 36,415.35-50,257.98-20,502.90

Finding the Fourth Proportional to 36,415.35, 50,257.98 and 20,502.90

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Solution

The fourth proportional to 36,415.35, 50,257.98 and 20,502.90 is: 28,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,415.35 : 50,257.98 = 20,502.90 : x
  2. Step 2: Convert to fraction form
    36,415.35/50,257.98 = 20,502.90/x
  3. Step 3: Cross multiply
    36,415.35x = 50,257.98 × 20,502.90
  4. Step 4: Simplify right side
    36,415.35x = 1,030,434,412.53
  5. Step 5: Solve for x
    x = 1,030,434,412.53/36,415.35
  6. Step 6: Final answer
    x = 28,296.70

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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.