Home / 45,425.40-68,138.10-33,615.60

Finding the Fourth Proportional to 45,425.40, 68,138.10 and 33,615.60

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Solution

The fourth proportional to 45,425.40, 68,138.10 and 33,615.60 is: 50,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.40 : 68,138.10 = 33,615.60 : x
  2. Step 2: Convert to fraction form
    45,425.40/68,138.10 = 33,615.60/x
  3. Step 3: Cross multiply
    45,425.40x = 68,138.10 × 33,615.60
  4. Step 4: Simplify right side
    45,425.40x = 2,290,503,114.36
  5. Step 5: Solve for x
    x = 2,290,503,114.36/45,425.40
  6. Step 6: Final answer
    x = 50,423.40

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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.