Home / 35,990.71-49,667.27-20,076.19

Finding the Fourth Proportional to 35,990.71, 49,667.27 and 20,076.19

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Solution

The fourth proportional to 35,990.71, 49,667.27 and 20,076.19 is: 27,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.71 : 49,667.27 = 20,076.19 : x
  2. Step 2: Convert to fraction form
    35,990.71/49,667.27 = 20,076.19/x
  3. Step 3: Cross multiply
    35,990.71x = 49,667.27 × 20,076.19
  4. Step 4: Simplify right side
    35,990.71x = 997,129,324.75
  5. Step 5: Solve for x
    x = 997,129,324.75/35,990.71
  6. Step 6: Final answer
    x = 27,705.19

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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.