Home / 35,318.88-48,725.96-20,208.60

Finding the Fourth Proportional to 35,318.88, 48,725.96 and 20,208.60

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Solution

The fourth proportional to 35,318.88, 48,725.96 and 20,208.60 is: 27,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.88 : 48,725.96 = 20,208.60 : x
  2. Step 2: Convert to fraction form
    35,318.88/48,725.96 = 20,208.60/x
  3. Step 3: Cross multiply
    35,318.88x = 48,725.96 × 20,208.60
  4. Step 4: Simplify right side
    35,318.88x = 984,683,334.21
  5. Step 5: Solve for x
    x = 984,683,334.21/35,318.88
  6. Step 6: Final answer
    x = 27,879.80

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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.