Home / 40,822.12-61,233.44-11,239.28

Finding the Fourth Proportional to 40,822.12, 61,233.44 and 11,239.28

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Solution

The fourth proportional to 40,822.12, 61,233.44 and 11,239.28 is: 16,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.12 : 61,233.44 = 11,239.28 : x
  2. Step 2: Convert to fraction form
    40,822.12/61,233.44 = 11,239.28/x
  3. Step 3: Cross multiply
    40,822.12x = 61,233.44 × 11,239.28
  4. Step 4: Simplify right side
    40,822.12x = 688,219,777.52
  5. Step 5: Solve for x
    x = 688,219,777.52/40,822.12
  6. Step 6: Final answer
    x = 16,858.99

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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.