Home / 37,212.30-51,353.26-20,216.70

Finding the Fourth Proportional to 37,212.30, 51,353.26 and 20,216.70

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Solution

The fourth proportional to 37,212.30, 51,353.26 and 20,216.70 is: 27,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212.30 : 51,353.26 = 20,216.70 : x
  2. Step 2: Convert to fraction form
    37,212.30/51,353.26 = 20,216.70/x
  3. Step 3: Cross multiply
    37,212.30x = 51,353.26 × 20,216.70
  4. Step 4: Simplify right side
    37,212.30x = 1,038,193,451.44
  5. Step 5: Solve for x
    x = 1,038,193,451.44/37,212.30
  6. Step 6: Final answer
    x = 27,899.20

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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.