Home / 36,154.11-49,893.30-19,802.78

Finding the Fourth Proportional to 36,154.11, 49,893.30 and 19,802.78

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Solution

The fourth proportional to 36,154.11, 49,893.30 and 19,802.78 is: 27,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,154.11 : 49,893.30 = 19,802.78 : x
  2. Step 2: Convert to fraction form
    36,154.11/49,893.30 = 19,802.78/x
  3. Step 3: Cross multiply
    36,154.11x = 49,893.30 × 19,802.78
  4. Step 4: Simplify right side
    36,154.11x = 988,025,981.01
  5. Step 5: Solve for x
    x = 988,025,981.01/36,154.11
  6. Step 6: Final answer
    x = 27,328.18

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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.