Home / 35,331.96-48,760.81-20,229.35

Finding the Fourth Proportional to 35,331.96, 48,760.81 and 20,229.35

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Solution

The fourth proportional to 35,331.96, 48,760.81 and 20,229.35 is: 27,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,331.96 : 48,760.81 = 20,229.35 : x
  2. Step 2: Convert to fraction form
    35,331.96/48,760.81 = 20,229.35/x
  3. Step 3: Cross multiply
    35,331.96x = 48,760.81 × 20,229.35
  4. Step 4: Simplify right side
    35,331.96x = 986,399,491.77
  5. Step 5: Solve for x
    x = 986,399,491.77/35,331.96
  6. Step 6: Final answer
    x = 27,918.05

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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.