Home / 37,056.06-51,138.30-20,289.06

Finding the Fourth Proportional to 37,056.06, 51,138.30 and 20,289.06

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Solution

The fourth proportional to 37,056.06, 51,138.30 and 20,289.06 is: 27,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,056.06 : 51,138.30 = 20,289.06 : x
  2. Step 2: Convert to fraction form
    37,056.06/51,138.30 = 20,289.06/x
  3. Step 3: Cross multiply
    37,056.06x = 51,138.30 × 20,289.06
  4. Step 4: Simplify right side
    37,056.06x = 1,037,548,037.00
  5. Step 5: Solve for x
    x = 1,037,548,037.00/37,056.06
  6. Step 6: Final answer
    x = 27,999.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.