Home / 31,629.04-43,648.20-17,289.16

Finding the Fourth Proportional to 31,629.04, 43,648.20 and 17,289.16

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Solution

The fourth proportional to 31,629.04, 43,648.20 and 17,289.16 is: 23,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.04 : 43,648.20 = 17,289.16 : x
  2. Step 2: Convert to fraction form
    31,629.04/43,648.20 = 17,289.16/x
  3. Step 3: Cross multiply
    31,629.04x = 43,648.20 × 17,289.16
  4. Step 4: Simplify right side
    31,629.04x = 754,640,713.51
  5. Step 5: Solve for x
    x = 754,640,713.51/31,629.04
  6. Step 6: Final answer
    x = 23,859.11

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1.5x scale

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.