Home / 29,859.23-41,190.32-20,887.07

Finding the Fourth Proportional to 29,859.23, 41,190.32 and 20,887.07

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Solution

The fourth proportional to 29,859.23, 41,190.32 and 20,887.07 is: 28,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,859.23 : 41,190.32 = 20,887.07 : x
  2. Step 2: Convert to fraction form
    29,859.23/41,190.32 = 20,887.07/x
  3. Step 3: Cross multiply
    29,859.23x = 41,190.32 × 20,887.07
  4. Step 4: Simplify right side
    29,859.23x = 860,344,943.43
  5. Step 5: Solve for x
    x = 860,344,943.43/29,859.23
  6. Step 6: Final answer
    x = 28,813.36

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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.