Home / 30,856.20-46,274.74-11,132.20

Finding the Fourth Proportional to 30,856.20, 46,274.74 and 11,132.20

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Solution

The fourth proportional to 30,856.20, 46,274.74 and 11,132.20 is: 16,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.20 : 46,274.74 = 11,132.20 : x
  2. Step 2: Convert to fraction form
    30,856.20/46,274.74 = 11,132.20/x
  3. Step 3: Cross multiply
    30,856.20x = 46,274.74 × 11,132.20
  4. Step 4: Simplify right side
    30,856.20x = 515,139,373.59
  5. Step 5: Solve for x
    x = 515,139,373.59/30,856.20
  6. Step 6: Final answer
    x = 16,694.84

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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.