Home / 29,759.40-44,640-19,917.90

Finding the Fourth Proportional to 29,759.40, 44,640 and 19,917.90

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Solution

The fourth proportional to 29,759.40, 44,640 and 19,917.90 is: 29,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,759.40 : 44,640 = 19,917.90 : x
  2. Step 2: Convert to fraction form
    29,759.40/44,640 = 19,917.90/x
  3. Step 3: Cross multiply
    29,759.40x = 44,640 × 19,917.90
  4. Step 4: Simplify right side
    29,759.40x = 889,135,056.00
  5. Step 5: Solve for x
    x = 889,135,056.00/29,759.40
  6. Step 6: Final answer
    x = 29,877.45

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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.