Home / 35,346.78-53,009.24-11,967.75

Finding the Fourth Proportional to 35,346.78, 53,009.24 and 11,967.75

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Solution

The fourth proportional to 35,346.78, 53,009.24 and 11,967.75 is: 17,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.78 : 53,009.24 = 11,967.75 : x
  2. Step 2: Convert to fraction form
    35,346.78/53,009.24 = 11,967.75/x
  3. Step 3: Cross multiply
    35,346.78x = 53,009.24 × 11,967.75
  4. Step 4: Simplify right side
    35,346.78x = 634,401,272.17
  5. Step 5: Solve for x
    x = 634,401,272.17/35,346.78
  6. Step 6: Final answer
    x = 17,947.92

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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.