Home / 66,644.14-99,971.36-22,271.05

Finding the Fourth Proportional to 66,644.14, 99,971.36 and 22,271.05

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Solution

The fourth proportional to 66,644.14, 99,971.36 and 22,271.05 is: 33,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,644.14 : 99,971.36 = 22,271.05 : x
  2. Step 2: Convert to fraction form
    66,644.14/99,971.36 = 22,271.05/x
  3. Step 3: Cross multiply
    66,644.14x = 99,971.36 × 22,271.05
  4. Step 4: Simplify right side
    66,644.14x = 2,226,467,157.13
  5. Step 5: Solve for x
    x = 2,226,467,157.13/66,644.14
  6. Step 6: Final answer
    x = 33,408.30

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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.