Home / 71,577.42-98,780.94-39,748.37

Finding the Fourth Proportional to 71,577.42, 98,780.94 and 39,748.37

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Solution

The fourth proportional to 71,577.42, 98,780.94 and 39,748.37 is: 54,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,577.42 : 98,780.94 = 39,748.37 : x
  2. Step 2: Convert to fraction form
    71,577.42/98,780.94 = 39,748.37/x
  3. Step 3: Cross multiply
    71,577.42x = 98,780.94 × 39,748.37
  4. Step 4: Simplify right side
    71,577.42x = 3,926,381,525.60
  5. Step 5: Solve for x
    x = 3,926,381,525.60/71,577.42
  6. Step 6: Final answer
    x = 54,855.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.