Home / 35,353.31-53,018.70-11,656.43

Finding the Fourth Proportional to 35,353.31, 53,018.70 and 11,656.43

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Solution

The fourth proportional to 35,353.31, 53,018.70 and 11,656.43 is: 17,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.31 : 53,018.70 = 11,656.43 : x
  2. Step 2: Convert to fraction form
    35,353.31/53,018.70 = 11,656.43/x
  3. Step 3: Cross multiply
    35,353.31x = 53,018.70 × 11,656.43
  4. Step 4: Simplify right side
    35,353.31x = 618,008,869.94
  5. Step 5: Solve for x
    x = 618,008,869.94/35,353.31
  6. Step 6: Final answer
    x = 17,480.93

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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.