Home / 35,353.96-53,032.38-11,979.88

Finding the Fourth Proportional to 35,353.96, 53,032.38 and 11,979.88

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Solution

The fourth proportional to 35,353.96, 53,032.38 and 11,979.88 is: 17,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.96 : 53,032.38 = 11,979.88 : x
  2. Step 2: Convert to fraction form
    35,353.96/53,032.38 = 11,979.88/x
  3. Step 3: Cross multiply
    35,353.96x = 53,032.38 × 11,979.88
  4. Step 4: Simplify right side
    35,353.96x = 635,321,548.51
  5. Step 5: Solve for x
    x = 635,321,548.51/35,353.96
  6. Step 6: Final answer
    x = 17,970.31

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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.