Home / 35,014.60-48,318.38-19,905.28

Finding the Fourth Proportional to 35,014.60, 48,318.38 and 19,905.28

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Solution

The fourth proportional to 35,014.60, 48,318.38 and 19,905.28 is: 27,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,014.60 : 48,318.38 = 19,905.28 : x
  2. Step 2: Convert to fraction form
    35,014.60/48,318.38 = 19,905.28/x
  3. Step 3: Cross multiply
    35,014.60x = 48,318.38 × 19,905.28
  4. Step 4: Simplify right side
    35,014.60x = 961,790,883.05
  5. Step 5: Solve for x
    x = 961,790,883.05/35,014.60
  6. Step 6: Final answer
    x = 27,468.28

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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.