Home / 35,822.36-49,430.38-19,905.68

Finding the Fourth Proportional to 35,822.36, 49,430.38 and 19,905.68

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Solution

The fourth proportional to 35,822.36, 49,430.38 and 19,905.68 is: 27,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,822.36 : 49,430.38 = 19,905.68 : x
  2. Step 2: Convert to fraction form
    35,822.36/49,430.38 = 19,905.68/x
  3. Step 3: Cross multiply
    35,822.36x = 49,430.38 × 19,905.68
  4. Step 4: Simplify right side
    35,822.36x = 983,945,326.56
  5. Step 5: Solve for x
    x = 983,945,326.56/35,822.36
  6. Step 6: Final answer
    x = 27,467.35

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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.