Home / 34,847.37-48,089.49-20,507.76

Finding the Fourth Proportional to 34,847.37, 48,089.49 and 20,507.76

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Solution

The fourth proportional to 34,847.37, 48,089.49 and 20,507.76 is: 28,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,847.37 : 48,089.49 = 20,507.76 : x
  2. Step 2: Convert to fraction form
    34,847.37/48,089.49 = 20,507.76/x
  3. Step 3: Cross multiply
    34,847.37x = 48,089.49 × 20,507.76
  4. Step 4: Simplify right side
    34,847.37x = 986,207,719.44
  5. Step 5: Solve for x
    x = 986,207,719.44/34,847.37
  6. Step 6: Final answer
    x = 28,300.78

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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.