Home / 31,536.36-43,520.00-17,389.22

Finding the Fourth Proportional to 31,536.36, 43,520.00 and 17,389.22

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Solution

The fourth proportional to 31,536.36, 43,520.00 and 17,389.22 is: 23,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.36 : 43,520.00 = 17,389.22 : x
  2. Step 2: Convert to fraction form
    31,536.36/43,520.00 = 17,389.22/x
  3. Step 3: Cross multiply
    31,536.36x = 43,520.00 × 17,389.22
  4. Step 4: Simplify right side
    31,536.36x = 756,778,549.85
  5. Step 5: Solve for x
    x = 756,778,549.85/31,536.36
  6. Step 6: Final answer
    x = 23,997.02

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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.