Home / 41,972.60-62,945.54-13,887.40

Finding the Fourth Proportional to 41,972.60, 62,945.54 and 13,887.40

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Solution

The fourth proportional to 41,972.60, 62,945.54 and 13,887.40 is: 20,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972.60 : 62,945.54 = 13,887.40 : x
  2. Step 2: Convert to fraction form
    41,972.60/62,945.54 = 13,887.40/x
  3. Step 3: Cross multiply
    41,972.60x = 62,945.54 × 13,887.40
  4. Step 4: Simplify right side
    41,972.60x = 874,149,892.20
  5. Step 5: Solve for x
    x = 874,149,892.20/41,972.60
  6. Step 6: Final answer
    x = 20,826.68

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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.