Home / 75,549.27-113,327.96-19,389.87

Finding the Fourth Proportional to 75,549.27, 113,327.96 and 19,389.87

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Solution

The fourth proportional to 75,549.27, 113,327.96 and 19,389.87 is: 29,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,549.27 : 113,327.96 = 19,389.87 : x
  2. Step 2: Convert to fraction form
    75,549.27/113,327.96 = 19,389.87/x
  3. Step 3: Cross multiply
    75,549.27x = 113,327.96 × 19,389.87
  4. Step 4: Simplify right side
    75,549.27x = 2,197,414,314.82
  5. Step 5: Solve for x
    x = 2,197,414,314.82/75,549.27
  6. Step 6: Final answer
    x = 29,085.84

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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.