Home / 36,206.18-54,338.61-18,681.02

Finding the Fourth Proportional to 36,206.18, 54,338.61 and 18,681.02

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Solution

The fourth proportional to 36,206.18, 54,338.61 and 18,681.02 is: 28,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,206.18 : 54,338.61 = 18,681.02 : x
  2. Step 2: Convert to fraction form
    36,206.18/54,338.61 = 18,681.02/x
  3. Step 3: Cross multiply
    36,206.18x = 54,338.61 × 18,681.02
  4. Step 4: Simplify right side
    36,206.18x = 1,015,100,660.18
  5. Step 5: Solve for x
    x = 1,015,100,660.18/36,206.18
  6. Step 6: Final answer
    x = 28,036.67

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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.