Home / 54,162.21-81,220.08-18,627.11

Finding the Fourth Proportional to 54,162.21, 81,220.08 and 18,627.11

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Solution

The fourth proportional to 54,162.21, 81,220.08 and 18,627.11 is: 27,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.21 : 81,220.08 = 18,627.11 : x
  2. Step 2: Convert to fraction form
    54,162.21/81,220.08 = 18,627.11/x
  3. Step 3: Cross multiply
    54,162.21x = 81,220.08 × 18,627.11
  4. Step 4: Simplify right side
    54,162.21x = 1,512,894,958.27
  5. Step 5: Solve for x
    x = 1,512,894,958.27/54,162.21
  6. Step 6: Final answer
    x = 27,932.67

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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.