Home / 32,861.84-49,278.20-20,381.36

Finding the Fourth Proportional to 32,861.84, 49,278.20 and 20,381.36

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Solution

The fourth proportional to 32,861.84, 49,278.20 and 20,381.36 is: 30,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,861.84 : 49,278.20 = 20,381.36 : x
  2. Step 2: Convert to fraction form
    32,861.84/49,278.20 = 20,381.36/x
  3. Step 3: Cross multiply
    32,861.84x = 49,278.20 × 20,381.36
  4. Step 4: Simplify right side
    32,861.84x = 1,004,356,734.35
  5. Step 5: Solve for x
    x = 1,004,356,734.35/32,861.84
  6. Step 6: Final answer
    x = 30,563.01

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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.