Home / 56,378.12-84,580.16-16,936

Finding the Fourth Proportional to 56,378.12, 84,580.16 and 16,936

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Solution

The fourth proportional to 56,378.12, 84,580.16 and 16,936 is: 25,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.12 : 84,580.16 = 16,936 : x
  2. Step 2: Convert to fraction form
    56,378.12/84,580.16 = 16,936/x
  3. Step 3: Cross multiply
    56,378.12x = 84,580.16 × 16,936
  4. Step 4: Simplify right side
    56,378.12x = 1,432,449,589.76
  5. Step 5: Solve for x
    x = 1,432,449,589.76/56,378.12
  6. Step 6: Final answer
    x = 25,407.90

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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.