Home / 35,100.12-52,674.80-20,288.66

Finding the Fourth Proportional to 35,100.12, 52,674.80 and 20,288.66

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Solution

The fourth proportional to 35,100.12, 52,674.80 and 20,288.66 is: 30,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,100.12 : 52,674.80 = 20,288.66 : x
  2. Step 2: Convert to fraction form
    35,100.12/52,674.80 = 20,288.66/x
  3. Step 3: Cross multiply
    35,100.12x = 52,674.80 × 20,288.66
  4. Step 4: Simplify right side
    35,100.12x = 1,068,701,107.77
  5. Step 5: Solve for x
    x = 1,068,701,107.77/35,100.12
  6. Step 6: Final answer
    x = 30,447.22

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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.