Home / 41,557.89-62,347.50-11,978.04

Finding the Fourth Proportional to 41,557.89, 62,347.50 and 11,978.04

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Solution

The fourth proportional to 41,557.89, 62,347.50 and 11,978.04 is: 17,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,557.89 : 62,347.50 = 11,978.04 : x
  2. Step 2: Convert to fraction form
    41,557.89/62,347.50 = 11,978.04/x
  3. Step 3: Cross multiply
    41,557.89x = 62,347.50 × 11,978.04
  4. Step 4: Simplify right side
    41,557.89x = 746,800,848.90
  5. Step 5: Solve for x
    x = 746,800,848.90/41,557.89
  6. Step 6: Final answer
    x = 17,970.13

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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.