Home / 37,402.45-51,615.68-20,406.83

Finding the Fourth Proportional to 37,402.45, 51,615.68 and 20,406.83

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Solution

The fourth proportional to 37,402.45, 51,615.68 and 20,406.83 is: 28,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,402.45 : 51,615.68 = 20,406.83 : x
  2. Step 2: Convert to fraction form
    37,402.45/51,615.68 = 20,406.83/x
  3. Step 3: Cross multiply
    37,402.45x = 51,615.68 × 20,406.83
  4. Step 4: Simplify right side
    37,402.45x = 1,053,312,046.98
  5. Step 5: Solve for x
    x = 1,053,312,046.98/37,402.45
  6. Step 6: Final answer
    x = 28,161.58

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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.