Home / 34,021.98-46,949.40-18,914.28

Finding the Fourth Proportional to 34,021.98, 46,949.40 and 18,914.28

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Solution

The fourth proportional to 34,021.98, 46,949.40 and 18,914.28 is: 26,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,021.98 : 46,949.40 = 18,914.28 : x
  2. Step 2: Convert to fraction form
    34,021.98/46,949.40 = 18,914.28/x
  3. Step 3: Cross multiply
    34,021.98x = 46,949.40 × 18,914.28
  4. Step 4: Simplify right side
    34,021.98x = 888,014,097.43
  5. Step 5: Solve for x
    x = 888,014,097.43/34,021.98
  6. Step 6: Final answer
    x = 26,101.19

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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.