Home / 35,309.13-52,979.09-13,117.56

Finding the Fourth Proportional to 35,309.13, 52,979.09 and 13,117.56

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Solution

The fourth proportional to 35,309.13, 52,979.09 and 13,117.56 is: 19,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.13 : 52,979.09 = 13,117.56 : x
  2. Step 2: Convert to fraction form
    35,309.13/52,979.09 = 13,117.56/x
  3. Step 3: Cross multiply
    35,309.13x = 52,979.09 × 13,117.56
  4. Step 4: Simplify right side
    35,309.13x = 694,956,326.23
  5. Step 5: Solve for x
    x = 694,956,326.23/35,309.13
  6. Step 6: Final answer
    x = 19,682.06

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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.