Home / 35,828.16-49,440.65-19,912.11

Finding the Fourth Proportional to 35,828.16, 49,440.65 and 19,912.11

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Solution

The fourth proportional to 35,828.16, 49,440.65 and 19,912.11 is: 27,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.16 : 49,440.65 = 19,912.11 : x
  2. Step 2: Convert to fraction form
    35,828.16/49,440.65 = 19,912.11/x
  3. Step 3: Cross multiply
    35,828.16x = 49,440.65 × 19,912.11
  4. Step 4: Simplify right side
    35,828.16x = 984,467,561.71
  5. Step 5: Solve for x
    x = 984,467,561.71/35,828.16
  6. Step 6: Final answer
    x = 27,477.48

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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.