Home / 32,872.08-49,288.34-12,857.72

Finding the Fourth Proportional to 32,872.08, 49,288.34 and 12,857.72

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Solution

The fourth proportional to 32,872.08, 49,288.34 and 12,857.72 is: 19,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.08 : 49,288.34 = 12,857.72 : x
  2. Step 2: Convert to fraction form
    32,872.08/49,288.34 = 12,857.72/x
  3. Step 3: Cross multiply
    32,872.08x = 49,288.34 × 12,857.72
  4. Step 4: Simplify right side
    32,872.08x = 633,735,674.98
  5. Step 5: Solve for x
    x = 633,735,674.98/32,872.08
  6. Step 6: Final answer
    x = 19,278.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.