Home / 33,011.28-49,492.70-21,178.41

Finding the Fourth Proportional to 33,011.28, 49,492.70 and 21,178.41

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Solution

The fourth proportional to 33,011.28, 49,492.70 and 21,178.41 is: 31,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.28 : 49,492.70 = 21,178.41 : x
  2. Step 2: Convert to fraction form
    33,011.28/49,492.70 = 21,178.41/x
  3. Step 3: Cross multiply
    33,011.28x = 49,492.70 × 21,178.41
  4. Step 4: Simplify right side
    33,011.28x = 1,048,176,586.71
  5. Step 5: Solve for x
    x = 1,048,176,586.71/33,011.28
  6. Step 6: Final answer
    x = 31,752.07

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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.