Home / 29,114.90-43,705.20-19,273.40

Finding the Fourth Proportional to 29,114.90, 43,705.20 and 19,273.40

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Solution

The fourth proportional to 29,114.90, 43,705.20 and 19,273.40 is: 28,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,114.90 : 43,705.20 = 19,273.40 : x
  2. Step 2: Convert to fraction form
    29,114.90/43,705.20 = 19,273.40/x
  3. Step 3: Cross multiply
    29,114.90x = 43,705.20 × 19,273.40
  4. Step 4: Simplify right side
    29,114.90x = 842,347,801.68
  5. Step 5: Solve for x
    x = 842,347,801.68/29,114.90
  6. Step 6: Final answer
    x = 28,931.85

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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.