Home / 55,027.89-82,574.64-19,962.99

Finding the Fourth Proportional to 55,027.89, 82,574.64 and 19,962.99

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Solution

The fourth proportional to 55,027.89, 82,574.64 and 19,962.99 is: 29,956.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,027.89 : 82,574.64 = 19,962.99 : x
  2. Step 2: Convert to fraction form
    55,027.89/82,574.64 = 19,962.99/x
  3. Step 3: Cross multiply
    55,027.89x = 82,574.64 × 19,962.99
  4. Step 4: Simplify right side
    55,027.89x = 1,648,436,712.57
  5. Step 5: Solve for x
    x = 1,648,436,712.57/55,027.89
  6. Step 6: Final answer
    x = 29,956.39

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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.