Home / 56,401.87-84,599.68-18,958.07

Finding the Fourth Proportional to 56,401.87, 84,599.68 and 18,958.07

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Solution

The fourth proportional to 56,401.87, 84,599.68 and 18,958.07 is: 28,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.87 : 84,599.68 = 18,958.07 : x
  2. Step 2: Convert to fraction form
    56,401.87/84,599.68 = 18,958.07/x
  3. Step 3: Cross multiply
    56,401.87x = 84,599.68 × 18,958.07
  4. Step 4: Simplify right side
    56,401.87x = 1,603,846,655.42
  5. Step 5: Solve for x
    x = 1,603,846,655.42/56,401.87
  6. Step 6: Final answer
    x = 28,436.05

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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.