Home / 36,111.80-54,167.40-9,816.50

Finding the Fourth Proportional to 36,111.80, 54,167.40 and 9,816.50

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Solution

The fourth proportional to 36,111.80, 54,167.40 and 9,816.50 is: 14,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,111.80 : 54,167.40 = 9,816.50 : x
  2. Step 2: Convert to fraction form
    36,111.80/54,167.40 = 9,816.50/x
  3. Step 3: Cross multiply
    36,111.80x = 54,167.40 × 9,816.50
  4. Step 4: Simplify right side
    36,111.80x = 531,734,282.10
  5. Step 5: Solve for x
    x = 531,734,282.10/36,111.80
  6. Step 6: Final answer
    x = 14,724.67

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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.