Home / 36,486.15-50,350.89-20,570.52

Finding the Fourth Proportional to 36,486.15, 50,350.89 and 20,570.52

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Solution

The fourth proportional to 36,486.15, 50,350.89 and 20,570.52 is: 28,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.15 : 50,350.89 = 20,570.52 : x
  2. Step 2: Convert to fraction form
    36,486.15/50,350.89 = 20,570.52/x
  3. Step 3: Cross multiply
    36,486.15x = 50,350.89 × 20,570.52
  4. Step 4: Simplify right side
    36,486.15x = 1,035,743,989.76
  5. Step 5: Solve for x
    x = 1,035,743,989.76/36,486.15
  6. Step 6: Final answer
    x = 28,387.32

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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.