Home / 35,857.93-49,480.16-19,939.81

Finding the Fourth Proportional to 35,857.93, 49,480.16 and 19,939.81

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Solution

The fourth proportional to 35,857.93, 49,480.16 and 19,939.81 is: 27,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.93 : 49,480.16 = 19,939.81 : x
  2. Step 2: Convert to fraction form
    35,857.93/49,480.16 = 19,939.81/x
  3. Step 3: Cross multiply
    35,857.93x = 49,480.16 × 19,939.81
  4. Step 4: Simplify right side
    35,857.93x = 986,624,889.47
  5. Step 5: Solve for x
    x = 986,624,889.47/35,857.93
  6. Step 6: Final answer
    x = 27,514.83

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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.