Home / 31,293.06-46,939.62-11,561.46

Finding the Fourth Proportional to 31,293.06, 46,939.62 and 11,561.46

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Solution

The fourth proportional to 31,293.06, 46,939.62 and 11,561.46 is: 17,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,293.06 : 46,939.62 = 11,561.46 : x
  2. Step 2: Convert to fraction form
    31,293.06/46,939.62 = 11,561.46/x
  3. Step 3: Cross multiply
    31,293.06x = 46,939.62 × 11,561.46
  4. Step 4: Simplify right side
    31,293.06x = 542,690,539.05
  5. Step 5: Solve for x
    x = 542,690,539.05/31,293.06
  6. Step 6: Final answer
    x = 17,342.20

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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.