Home / 37,586.10-51,868.71-20,819.10

Finding the Fourth Proportional to 37,586.10, 51,868.71 and 20,819.10

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Solution

The fourth proportional to 37,586.10, 51,868.71 and 20,819.10 is: 28,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,586.10 : 51,868.71 = 20,819.10 : x
  2. Step 2: Convert to fraction form
    37,586.10/51,868.71 = 20,819.10/x
  3. Step 3: Cross multiply
    37,586.10x = 51,868.71 × 20,819.10
  4. Step 4: Simplify right side
    37,586.10x = 1,079,859,860.36
  5. Step 5: Solve for x
    x = 1,079,859,860.36/37,586.10
  6. Step 6: Final answer
    x = 28,730.30

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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.