Home / 57,313.98-85,965.87-19,873.22

Finding the Fourth Proportional to 57,313.98, 85,965.87 and 19,873.22

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Solution

The fourth proportional to 57,313.98, 85,965.87 and 19,873.22 is: 29,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313.98 : 85,965.87 = 19,873.22 : x
  2. Step 2: Convert to fraction form
    57,313.98/85,965.87 = 19,873.22/x
  3. Step 3: Cross multiply
    57,313.98x = 85,965.87 × 19,873.22
  4. Step 4: Simplify right side
    57,313.98x = 1,708,418,291.70
  5. Step 5: Solve for x
    x = 1,708,418,291.70/57,313.98
  6. Step 6: Final answer
    x = 29,808.06

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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.