Home / 29,074.30-43,633.53-21,303.42

Finding the Fourth Proportional to 29,074.30, 43,633.53 and 21,303.42

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Solution

The fourth proportional to 29,074.30, 43,633.53 and 21,303.42 is: 31,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,074.30 : 43,633.53 = 21,303.42 : x
  2. Step 2: Convert to fraction form
    29,074.30/43,633.53 = 21,303.42/x
  3. Step 3: Cross multiply
    29,074.30x = 43,633.53 × 21,303.42
  4. Step 4: Simplify right side
    29,074.30x = 929,543,415.67
  5. Step 5: Solve for x
    x = 929,543,415.67/29,074.30
  6. Step 6: Final answer
    x = 31,971.31

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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.