Home / 56,354-84,517.30-18,904.36

Finding the Fourth Proportional to 56,354, 84,517.30 and 18,904.36

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Solution

The fourth proportional to 56,354, 84,517.30 and 18,904.36 is: 28,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354 : 84,517.30 = 18,904.36 : x
  2. Step 2: Convert to fraction form
    56,354/84,517.30 = 18,904.36/x
  3. Step 3: Cross multiply
    56,354x = 84,517.30 × 18,904.36
  4. Step 4: Simplify right side
    56,354x = 1,597,745,465.43
  5. Step 5: Solve for x
    x = 1,597,745,465.43/56,354
  6. Step 6: Final answer
    x = 28,351.94

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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.