Home / 55,021.46-82,564.98-19,963.84

Finding the Fourth Proportional to 55,021.46, 82,564.98 and 19,963.84

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Solution

The fourth proportional to 55,021.46, 82,564.98 and 19,963.84 is: 29,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.46 : 82,564.98 = 19,963.84 : x
  2. Step 2: Convert to fraction form
    55,021.46/82,564.98 = 19,963.84/x
  3. Step 3: Cross multiply
    55,021.46x = 82,564.98 × 19,963.84
  4. Step 4: Simplify right side
    55,021.46x = 1,648,314,050.32
  5. Step 5: Solve for x
    x = 1,648,314,050.32/55,021.46
  6. Step 6: Final answer
    x = 29,957.66

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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.