Home / 31,246.94-43,075.89-22,278.89

Finding the Fourth Proportional to 31,246.94, 43,075.89 and 22,278.89

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Solution

The fourth proportional to 31,246.94, 43,075.89 and 22,278.89 is: 30,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.94 : 43,075.89 = 22,278.89 : x
  2. Step 2: Convert to fraction form
    31,246.94/43,075.89 = 22,278.89/x
  3. Step 3: Cross multiply
    31,246.94x = 43,075.89 × 22,278.89
  4. Step 4: Simplify right side
    31,246.94x = 959,682,799.58
  5. Step 5: Solve for x
    x = 959,682,799.58/31,246.94
  6. Step 6: Final answer
    x = 30,712.86

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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.