Home / 37,397.48-51,608.76-20,401.99

Finding the Fourth Proportional to 37,397.48, 51,608.76 and 20,401.99

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Solution

The fourth proportional to 37,397.48, 51,608.76 and 20,401.99 is: 28,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,397.48 : 51,608.76 = 20,401.99 : x
  2. Step 2: Convert to fraction form
    37,397.48/51,608.76 = 20,401.99/x
  3. Step 3: Cross multiply
    37,397.48x = 51,608.76 × 20,401.99
  4. Step 4: Simplify right side
    37,397.48x = 1,052,921,147.39
  5. Step 5: Solve for x
    x = 1,052,921,147.39/37,397.48
  6. Step 6: Final answer
    x = 28,154.87

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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.