Home / 35,289.36-48,703.19-20,183.40

Finding the Fourth Proportional to 35,289.36, 48,703.19 and 20,183.40

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Solution

The fourth proportional to 35,289.36, 48,703.19 and 20,183.40 is: 27,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.36 : 48,703.19 = 20,183.40 : x
  2. Step 2: Convert to fraction form
    35,289.36/48,703.19 = 20,183.40/x
  3. Step 3: Cross multiply
    35,289.36x = 48,703.19 × 20,183.40
  4. Step 4: Simplify right side
    35,289.36x = 982,995,864.13
  5. Step 5: Solve for x
    x = 982,995,864.13/35,289.36
  6. Step 6: Final answer
    x = 27,855.30

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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.