Home / 35,561.78-53,301.60-13,360.97

Finding the Fourth Proportional to 35,561.78, 53,301.60 and 13,360.97

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Solution

The fourth proportional to 35,561.78, 53,301.60 and 13,360.97 is: 20,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,561.78 : 53,301.60 = 13,360.97 : x
  2. Step 2: Convert to fraction form
    35,561.78/53,301.60 = 13,360.97/x
  3. Step 3: Cross multiply
    35,561.78x = 53,301.60 × 13,360.97
  4. Step 4: Simplify right side
    35,561.78x = 712,161,078.55
  5. Step 5: Solve for x
    x = 712,161,078.55/35,561.78
  6. Step 6: Final answer
    x = 20,026.02

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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.