Home / 34,192.84-51,289.03-18,405.31

Finding the Fourth Proportional to 34,192.84, 51,289.03 and 18,405.31

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Solution

The fourth proportional to 34,192.84, 51,289.03 and 18,405.31 is: 27,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,192.84 : 51,289.03 = 18,405.31 : x
  2. Step 2: Convert to fraction form
    34,192.84/51,289.03 = 18,405.31/x
  3. Step 3: Cross multiply
    34,192.84x = 51,289.03 × 18,405.31
  4. Step 4: Simplify right side
    34,192.84x = 943,990,496.75
  5. Step 5: Solve for x
    x = 943,990,496.75/34,192.84
  6. Step 6: Final answer
    x = 27,607.84

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1.5x scale

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.