Home / 35,811.45-53,717.33-12,119.18

Finding the Fourth Proportional to 35,811.45, 53,717.33 and 12,119.18

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Solution

The fourth proportional to 35,811.45, 53,717.33 and 12,119.18 is: 18,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.45 : 53,717.33 = 12,119.18 : x
  2. Step 2: Convert to fraction form
    35,811.45/53,717.33 = 12,119.18/x
  3. Step 3: Cross multiply
    35,811.45x = 53,717.33 × 12,119.18
  4. Step 4: Simplify right side
    35,811.45x = 651,010,065.09
  5. Step 5: Solve for x
    x = 651,010,065.09/35,811.45
  6. Step 6: Final answer
    x = 18,178.82

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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.