Home / 37,486.28-51,734.36-20,722.52

Finding the Fourth Proportional to 37,486.28, 51,734.36 and 20,722.52

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Solution

The fourth proportional to 37,486.28, 51,734.36 and 20,722.52 is: 28,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.28 : 51,734.36 = 20,722.52 : x
  2. Step 2: Convert to fraction form
    37,486.28/51,734.36 = 20,722.52/x
  3. Step 3: Cross multiply
    37,486.28x = 51,734.36 × 20,722.52
  4. Step 4: Simplify right side
    37,486.28x = 1,072,066,309.79
  5. Step 5: Solve for x
    x = 1,072,066,309.79/37,486.28
  6. Step 6: Final answer
    x = 28,598.90

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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.