Home / 31,134.18-46,723.71-12,403.38

Finding the Fourth Proportional to 31,134.18, 46,723.71 and 12,403.38

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Solution

The fourth proportional to 31,134.18, 46,723.71 and 12,403.38 is: 18,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,134.18 : 46,723.71 = 12,403.38 : x
  2. Step 2: Convert to fraction form
    31,134.18/46,723.71 = 12,403.38/x
  3. Step 3: Cross multiply
    31,134.18x = 46,723.71 × 12,403.38
  4. Step 4: Simplify right side
    31,134.18x = 579,531,930.14
  5. Step 5: Solve for x
    x = 579,531,930.14/31,134.18
  6. Step 6: Final answer
    x = 18,614.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.