Home / 31,186.33-46,809.07-19,304.16

Finding the Fourth Proportional to 31,186.33, 46,809.07 and 19,304.16

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Solution

The fourth proportional to 31,186.33, 46,809.07 and 19,304.16 is: 28,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.33 : 46,809.07 = 19,304.16 : x
  2. Step 2: Convert to fraction form
    31,186.33/46,809.07 = 19,304.16/x
  3. Step 3: Cross multiply
    31,186.33x = 46,809.07 × 19,304.16
  4. Step 4: Simplify right side
    31,186.33x = 903,609,728.47
  5. Step 5: Solve for x
    x = 903,609,728.47/31,186.33
  6. Step 6: Final answer
    x = 28,974.55

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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.