Home / 31,111.89-46,667.75-7,738.33

Finding the Fourth Proportional to 31,111.89, 46,667.75 and 7,738.33

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Solution

The fourth proportional to 31,111.89, 46,667.75 and 7,738.33 is: 11,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111.89 : 46,667.75 = 7,738.33 : x
  2. Step 2: Convert to fraction form
    31,111.89/46,667.75 = 7,738.33/x
  3. Step 3: Cross multiply
    31,111.89x = 46,667.75 × 7,738.33
  4. Step 4: Simplify right side
    31,111.89x = 361,130,508.19
  5. Step 5: Solve for x
    x = 361,130,508.19/31,111.89
  6. Step 6: Final answer
    x = 11,607.47

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1.5x scale

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.