Home / 36,513.60-54,772.20-19,017.60

Finding the Fourth Proportional to 36,513.60, 54,772.20 and 19,017.60

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Solution

The fourth proportional to 36,513.60, 54,772.20 and 19,017.60 is: 28,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.60 : 54,772.20 = 19,017.60 : x
  2. Step 2: Convert to fraction form
    36,513.60/54,772.20 = 19,017.60/x
  3. Step 3: Cross multiply
    36,513.60x = 54,772.20 × 19,017.60
  4. Step 4: Simplify right side
    36,513.60x = 1,041,635,790.72
  5. Step 5: Solve for x
    x = 1,041,635,790.72/36,513.60
  6. Step 6: Final answer
    x = 28,527.34

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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.