Home / 31,837.36-43,935.24-17,689.90

Finding the Fourth Proportional to 31,837.36, 43,935.24 and 17,689.90

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Solution

The fourth proportional to 31,837.36, 43,935.24 and 17,689.90 is: 24,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.36 : 43,935.24 = 17,689.90 : x
  2. Step 2: Convert to fraction form
    31,837.36/43,935.24 = 17,689.90/x
  3. Step 3: Cross multiply
    31,837.36x = 43,935.24 × 17,689.90
  4. Step 4: Simplify right side
    31,837.36x = 777,210,002.08
  5. Step 5: Solve for x
    x = 777,210,002.08/31,837.36
  6. Step 6: Final answer
    x = 24,411.89

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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.