Home / 20,630.97-30,946.55-5,048.60

Finding the Fourth Proportional to 20,630.97, 30,946.55 and 5,048.60

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Solution

The fourth proportional to 20,630.97, 30,946.55 and 5,048.60 is: 7,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630.97 : 30,946.55 = 5,048.60 : x
  2. Step 2: Convert to fraction form
    20,630.97/30,946.55 = 5,048.60/x
  3. Step 3: Cross multiply
    20,630.97x = 30,946.55 × 5,048.60
  4. Step 4: Simplify right side
    20,630.97x = 156,236,572.35
  5. Step 5: Solve for x
    x = 156,236,572.35/20,630.97
  6. Step 6: Final answer
    x = 7,572.91

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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.