Home / 36,171.98-54,260.57-12,479.18

Finding the Fourth Proportional to 36,171.98, 54,260.57 and 12,479.18

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Solution

The fourth proportional to 36,171.98, 54,260.57 and 12,479.18 is: 18,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.98 : 54,260.57 = 12,479.18 : x
  2. Step 2: Convert to fraction form
    36,171.98/54,260.57 = 12,479.18/x
  3. Step 3: Cross multiply
    36,171.98x = 54,260.57 × 12,479.18
  4. Step 4: Simplify right side
    36,171.98x = 677,127,419.93
  5. Step 5: Solve for x
    x = 677,127,419.93/36,171.98
  6. Step 6: Final answer
    x = 18,719.67

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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.