Home / 55,518.24-83,261.70-19,974.36

Finding the Fourth Proportional to 55,518.24, 83,261.70 and 19,974.36

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Solution

The fourth proportional to 55,518.24, 83,261.70 and 19,974.36 is: 29,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518.24 : 83,261.70 = 19,974.36 : x
  2. Step 2: Convert to fraction form
    55,518.24/83,261.70 = 19,974.36/x
  3. Step 3: Cross multiply
    55,518.24x = 83,261.70 × 19,974.36
  4. Step 4: Simplify right side
    55,518.24x = 1,663,099,170.01
  5. Step 5: Solve for x
    x = 1,663,099,170.01/55,518.24
  6. Step 6: Final answer
    x = 29,955.91

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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.