Home / 43,533.20-65,324.40-18,570.56

Finding the Fourth Proportional to 43,533.20, 65,324.40 and 18,570.56

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Solution

The fourth proportional to 43,533.20, 65,324.40 and 18,570.56 is: 27,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,533.20 : 65,324.40 = 18,570.56 : x
  2. Step 2: Convert to fraction form
    43,533.20/65,324.40 = 18,570.56/x
  3. Step 3: Cross multiply
    43,533.20x = 65,324.40 × 18,570.56
  4. Step 4: Simplify right side
    43,533.20x = 1,213,110,689.66
  5. Step 5: Solve for x
    x = 1,213,110,689.66/43,533.20
  6. Step 6: Final answer
    x = 27,866.33

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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.