Home / 29,333.20-43,999.80-18,835.60

Finding the Fourth Proportional to 29,333.20, 43,999.80 and 18,835.60

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Solution

The fourth proportional to 29,333.20, 43,999.80 and 18,835.60 is: 28,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.20 : 43,999.80 = 18,835.60 : x
  2. Step 2: Convert to fraction form
    29,333.20/43,999.80 = 18,835.60/x
  3. Step 3: Cross multiply
    29,333.20x = 43,999.80 × 18,835.60
  4. Step 4: Simplify right side
    29,333.20x = 828,762,632.88
  5. Step 5: Solve for x
    x = 828,762,632.88/29,333.20
  6. Step 6: Final answer
    x = 28,253.40

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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.