Home / 53,498.88-80,246.40-20,217.60

Finding the Fourth Proportional to 53,498.88, 80,246.40 and 20,217.60

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Solution

The fourth proportional to 53,498.88, 80,246.40 and 20,217.60 is: 30,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.88 : 80,246.40 = 20,217.60 : x
  2. Step 2: Convert to fraction form
    53,498.88/80,246.40 = 20,217.60/x
  3. Step 3: Cross multiply
    53,498.88x = 80,246.40 × 20,217.60
  4. Step 4: Simplify right side
    53,498.88x = 1,622,389,616.64
  5. Step 5: Solve for x
    x = 1,622,389,616.64/53,498.88
  6. Step 6: Final answer
    x = 30,325.67

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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.