Home / 37,630.40-56,465.04-20,105.60

Finding the Fourth Proportional to 37,630.40, 56,465.04 and 20,105.60

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Solution

The fourth proportional to 37,630.40, 56,465.04 and 20,105.60 is: 30,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.40 : 56,465.04 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    37,630.40/56,465.04 = 20,105.60/x
  3. Step 3: Cross multiply
    37,630.40x = 56,465.04 × 20,105.60
  4. Step 4: Simplify right side
    37,630.40x = 1,135,263,508.22
  5. Step 5: Solve for x
    x = 1,135,263,508.22/37,630.40
  6. Step 6: Final answer
    x = 30,168.79

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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.