Home / 37,134.45-51,248.78-20,370.69

Finding the Fourth Proportional to 37,134.45, 51,248.78 and 20,370.69

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Solution

The fourth proportional to 37,134.45, 51,248.78 and 20,370.69 is: 28,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.45 : 51,248.78 = 20,370.69 : x
  2. Step 2: Convert to fraction form
    37,134.45/51,248.78 = 20,370.69/x
  3. Step 3: Cross multiply
    37,134.45x = 51,248.78 × 20,370.69
  4. Step 4: Simplify right side
    37,134.45x = 1,043,973,010.26
  5. Step 5: Solve for x
    x = 1,043,973,010.26/37,134.45
  6. Step 6: Final answer
    x = 28,113.33

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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.