Home / 29,742.79-41,058.09-20,825.26

Finding the Fourth Proportional to 29,742.79, 41,058.09 and 20,825.26

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Solution

The fourth proportional to 29,742.79, 41,058.09 and 20,825.26 is: 28,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,742.79 : 41,058.09 = 20,825.26 : x
  2. Step 2: Convert to fraction form
    29,742.79/41,058.09 = 20,825.26/x
  3. Step 3: Cross multiply
    29,742.79x = 41,058.09 × 20,825.26
  4. Step 4: Simplify right side
    29,742.79x = 855,045,399.35
  5. Step 5: Solve for x
    x = 855,045,399.35/29,742.79
  6. Step 6: Final answer
    x = 28,747.99

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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.