Home / 36,215.56-54,315.41-18,427.35

Finding the Fourth Proportional to 36,215.56, 54,315.41 and 18,427.35

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Solution

The fourth proportional to 36,215.56, 54,315.41 and 18,427.35 is: 27,636.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,215.56 : 54,315.41 = 18,427.35 : x
  2. Step 2: Convert to fraction form
    36,215.56/54,315.41 = 18,427.35/x
  3. Step 3: Cross multiply
    36,215.56x = 54,315.41 × 18,427.35
  4. Step 4: Simplify right side
    36,215.56x = 1,000,888,980.14
  5. Step 5: Solve for x
    x = 1,000,888,980.14/36,215.56
  6. Step 6: Final answer
    x = 27,636.99

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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.