Home / 40,822.49-61,236.01-12,746.42

Finding the Fourth Proportional to 40,822.49, 61,236.01 and 12,746.42

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Solution

The fourth proportional to 40,822.49, 61,236.01 and 12,746.42 is: 19,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.49 : 61,236.01 = 12,746.42 : x
  2. Step 2: Convert to fraction form
    40,822.49/61,236.01 = 12,746.42/x
  3. Step 3: Cross multiply
    40,822.49x = 61,236.01 × 12,746.42
  4. Step 4: Simplify right side
    40,822.49x = 780,539,902.58
  5. Step 5: Solve for x
    x = 780,539,902.58/40,822.49
  6. Step 6: Final answer
    x = 19,120.34

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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.