Home / 29,318.40-43,977.60-14,529.60

Finding the Fourth Proportional to 29,318.40, 43,977.60 and 14,529.60

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Solution

The fourth proportional to 29,318.40, 43,977.60 and 14,529.60 is: 21,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.40 : 43,977.60 = 14,529.60 : x
  2. Step 2: Convert to fraction form
    29,318.40/43,977.60 = 14,529.60/x
  3. Step 3: Cross multiply
    29,318.40x = 43,977.60 × 14,529.60
  4. Step 4: Simplify right side
    29,318.40x = 638,976,936.96
  5. Step 5: Solve for x
    x = 638,976,936.96/29,318.40
  6. Step 6: Final answer
    x = 21,794.40

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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.