Home / 34,047.97-46,971.36-21,278.93

Finding the Fourth Proportional to 34,047.97, 46,971.36 and 21,278.93

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Solution

The fourth proportional to 34,047.97, 46,971.36 and 21,278.93 is: 29,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,047.97 : 46,971.36 = 21,278.93 : x
  2. Step 2: Convert to fraction form
    34,047.97/46,971.36 = 21,278.93/x
  3. Step 3: Cross multiply
    34,047.97x = 46,971.36 × 21,278.93
  4. Step 4: Simplify right side
    34,047.97x = 999,500,046.59
  5. Step 5: Solve for x
    x = 999,500,046.59/34,047.97
  6. Step 6: Final answer
    x = 29,355.64

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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.