Home / 31,537.36-43,521.37-17,390.22

Finding the Fourth Proportional to 31,537.36, 43,521.37 and 17,390.22

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Solution

The fourth proportional to 31,537.36, 43,521.37 and 17,390.22 is: 23,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.36 : 43,521.37 = 17,390.22 : x
  2. Step 2: Convert to fraction form
    31,537.36/43,521.37 = 17,390.22/x
  3. Step 3: Cross multiply
    31,537.36x = 43,521.37 × 17,390.22
  4. Step 4: Simplify right side
    31,537.36x = 756,846,199.00
  5. Step 5: Solve for x
    x = 756,846,199.00/31,537.36
  6. Step 6: Final answer
    x = 23,998.40

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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.