Home / 35,439.68-53,169.20-10,480.96

Finding the Fourth Proportional to 35,439.68, 53,169.20 and 10,480.96

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Solution

The fourth proportional to 35,439.68, 53,169.20 and 10,480.96 is: 15,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.68 : 53,169.20 = 10,480.96 : x
  2. Step 2: Convert to fraction form
    35,439.68/53,169.20 = 10,480.96/x
  3. Step 3: Cross multiply
    35,439.68x = 53,169.20 × 10,480.96
  4. Step 4: Simplify right side
    35,439.68x = 557,264,258.43
  5. Step 5: Solve for x
    x = 557,264,258.43/35,439.68
  6. Step 6: Final answer
    x = 15,724.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.