Home / 37,222.64-51,367.22-20,455.64

Finding the Fourth Proportional to 37,222.64, 51,367.22 and 20,455.64

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Solution

The fourth proportional to 37,222.64, 51,367.22 and 20,455.64 is: 28,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,222.64 : 51,367.22 = 20,455.64 : x
  2. Step 2: Convert to fraction form
    37,222.64/51,367.22 = 20,455.64/x
  3. Step 3: Cross multiply
    37,222.64x = 51,367.22 × 20,455.64
  4. Step 4: Simplify right side
    37,222.64x = 1,050,749,360.12
  5. Step 5: Solve for x
    x = 1,050,749,360.12/37,222.64
  6. Step 6: Final answer
    x = 28,228.77

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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.