Home / 55,531.06-83,304.50-20,467.98

Finding the Fourth Proportional to 55,531.06, 83,304.50 and 20,467.98

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Solution

The fourth proportional to 55,531.06, 83,304.50 and 20,467.98 is: 30,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,531.06 : 83,304.50 = 20,467.98 : x
  2. Step 2: Convert to fraction form
    55,531.06/83,304.50 = 20,467.98/x
  3. Step 3: Cross multiply
    55,531.06x = 83,304.50 × 20,467.98
  4. Step 4: Simplify right side
    55,531.06x = 1,705,074,737.57
  5. Step 5: Solve for x
    x = 1,705,074,737.57/55,531.06
  6. Step 6: Final answer
    x = 30,704.89

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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.