Home / 36,683.40-55,025.10-19,158.60

Finding the Fourth Proportional to 36,683.40, 55,025.10 and 19,158.60

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Solution

The fourth proportional to 36,683.40, 55,025.10 and 19,158.60 is: 28,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.40 : 55,025.10 = 19,158.60 : x
  2. Step 2: Convert to fraction form
    36,683.40/55,025.10 = 19,158.60/x
  3. Step 3: Cross multiply
    36,683.40x = 55,025.10 × 19,158.60
  4. Step 4: Simplify right side
    36,683.40x = 1,054,203,880.86
  5. Step 5: Solve for x
    x = 1,054,203,880.86/36,683.40
  6. Step 6: Final answer
    x = 28,737.90

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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.