Home / 37,081.60-55,628.46-12,114.40

Finding the Fourth Proportional to 37,081.60, 55,628.46 and 12,114.40

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Solution

The fourth proportional to 37,081.60, 55,628.46 and 12,114.40 is: 18,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.60 : 55,628.46 = 12,114.40 : x
  2. Step 2: Convert to fraction form
    37,081.60/55,628.46 = 12,114.40/x
  3. Step 3: Cross multiply
    37,081.60x = 55,628.46 × 12,114.40
  4. Step 4: Simplify right side
    37,081.60x = 673,905,415.82
  5. Step 5: Solve for x
    x = 673,905,415.82/37,081.60
  6. Step 6: Final answer
    x = 18,173.58

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1.5x scale

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.