Home / 36,738.07-50,699.12-20,822.18

Finding the Fourth Proportional to 36,738.07, 50,699.12 and 20,822.18

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Solution

The fourth proportional to 36,738.07, 50,699.12 and 20,822.18 is: 28,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,738.07 : 50,699.12 = 20,822.18 : x
  2. Step 2: Convert to fraction form
    36,738.07/50,699.12 = 20,822.18/x
  3. Step 3: Cross multiply
    36,738.07x = 50,699.12 × 20,822.18
  4. Step 4: Simplify right side
    36,738.07x = 1,055,666,127.79
  5. Step 5: Solve for x
    x = 1,055,666,127.79/36,738.07
  6. Step 6: Final answer
    x = 28,734.94

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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.