Home / 29,281.75-43,932.80-21,284.01

Finding the Fourth Proportional to 29,281.75, 43,932.80 and 21,284.01

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Solution

The fourth proportional to 29,281.75, 43,932.80 and 21,284.01 is: 31,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,281.75 : 43,932.80 = 21,284.01 : x
  2. Step 2: Convert to fraction form
    29,281.75/43,932.80 = 21,284.01/x
  3. Step 3: Cross multiply
    29,281.75x = 43,932.80 × 21,284.01
  4. Step 4: Simplify right side
    29,281.75x = 935,066,048.11
  5. Step 5: Solve for x
    x = 935,066,048.11/29,281.75
  6. Step 6: Final answer
    x = 31,933.41

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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.