Home / 31,813.40-43,907.28-22,890.44

Finding the Fourth Proportional to 31,813.40, 43,907.28 and 22,890.44

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Solution

The fourth proportional to 31,813.40, 43,907.28 and 22,890.44 is: 31,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.40 : 43,907.28 = 22,890.44 : x
  2. Step 2: Convert to fraction form
    31,813.40/43,907.28 = 22,890.44/x
  3. Step 3: Cross multiply
    31,813.40x = 43,907.28 × 22,890.44
  4. Step 4: Simplify right side
    31,813.40x = 1,005,056,958.40
  5. Step 5: Solve for x
    x = 1,005,056,958.40/31,813.40
  6. Step 6: Final answer
    x = 31,592.25

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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.