Home / 43,333.20-64,967.40-18,352.80

Finding the Fourth Proportional to 43,333.20, 64,967.40 and 18,352.80

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Solution

The fourth proportional to 43,333.20, 64,967.40 and 18,352.80 is: 27,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,333.20 : 64,967.40 = 18,352.80 : x
  2. Step 2: Convert to fraction form
    43,333.20/64,967.40 = 18,352.80/x
  3. Step 3: Cross multiply
    43,333.20x = 64,967.40 × 18,352.80
  4. Step 4: Simplify right side
    43,333.20x = 1,192,333,698.72
  5. Step 5: Solve for x
    x = 1,192,333,698.72/43,333.20
  6. Step 6: Final answer
    x = 27,515.48

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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.