Home / 37,011.20-51,077.36-21,912.56

Finding the Fourth Proportional to 37,011.20, 51,077.36 and 21,912.56

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Solution

The fourth proportional to 37,011.20, 51,077.36 and 21,912.56 is: 30,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,011.20 : 51,077.36 = 21,912.56 : x
  2. Step 2: Convert to fraction form
    37,011.20/51,077.36 = 21,912.56/x
  3. Step 3: Cross multiply
    37,011.20x = 51,077.36 × 21,912.56
  4. Step 4: Simplify right side
    37,011.20x = 1,119,235,715.64
  5. Step 5: Solve for x
    x = 1,119,235,715.64/37,011.20
  6. Step 6: Final answer
    x = 30,240.46

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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.