Home / 31,091.67-46,637.16-18,615.18

Finding the Fourth Proportional to 31,091.67, 46,637.16 and 18,615.18

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Solution

The fourth proportional to 31,091.67, 46,637.16 and 18,615.18 is: 27,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091.67 : 46,637.16 = 18,615.18 : x
  2. Step 2: Convert to fraction form
    31,091.67/46,637.16 = 18,615.18/x
  3. Step 3: Cross multiply
    31,091.67x = 46,637.16 × 18,615.18
  4. Step 4: Simplify right side
    31,091.67x = 868,159,128.09
  5. Step 5: Solve for x
    x = 868,159,128.09/31,091.67
  6. Step 6: Final answer
    x = 27,922.56

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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.