Home / 42,564.06-63,855.84-12,982.44

Finding the Fourth Proportional to 42,564.06, 63,855.84 and 12,982.44

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Solution

The fourth proportional to 42,564.06, 63,855.84 and 12,982.44 is: 19,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564.06 : 63,855.84 = 12,982.44 : x
  2. Step 2: Convert to fraction form
    42,564.06/63,855.84 = 12,982.44/x
  3. Step 3: Cross multiply
    42,564.06x = 63,855.84 × 12,982.44
  4. Step 4: Simplify right side
    42,564.06x = 829,004,611.45
  5. Step 5: Solve for x
    x = 829,004,611.45/42,564.06
  6. Step 6: Final answer
    x = 19,476.63

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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.