Home / 36,345.48-50,153.94-20,426.82

Finding the Fourth Proportional to 36,345.48, 50,153.94 and 20,426.82

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Solution

The fourth proportional to 36,345.48, 50,153.94 and 20,426.82 is: 28,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.48 : 50,153.94 = 20,426.82 : x
  2. Step 2: Convert to fraction form
    36,345.48/50,153.94 = 20,426.82/x
  3. Step 3: Cross multiply
    36,345.48x = 50,153.94 × 20,426.82
  4. Step 4: Simplify right side
    36,345.48x = 1,024,485,504.67
  5. Step 5: Solve for x
    x = 1,024,485,504.67/36,345.48
  6. Step 6: Final answer
    x = 28,187.43

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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.