Home / 29,721.81-41,017.37-17,782.85

Finding the Fourth Proportional to 29,721.81, 41,017.37 and 17,782.85

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Solution

The fourth proportional to 29,721.81, 41,017.37 and 17,782.85 is: 24,541.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.81 : 41,017.37 = 17,782.85 : x
  2. Step 2: Convert to fraction form
    29,721.81/41,017.37 = 17,782.85/x
  3. Step 3: Cross multiply
    29,721.81x = 41,017.37 × 17,782.85
  4. Step 4: Simplify right side
    29,721.81x = 729,405,621.04
  5. Step 5: Solve for x
    x = 729,405,621.04/29,721.81
  6. Step 6: Final answer
    x = 24,541.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.