Home / 31,810.08-43,914.33-22,420.56

Finding the Fourth Proportional to 31,810.08, 43,914.33 and 22,420.56

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Solution

The fourth proportional to 31,810.08, 43,914.33 and 22,420.56 is: 30,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.08 : 43,914.33 = 22,420.56 : x
  2. Step 2: Convert to fraction form
    31,810.08/43,914.33 = 22,420.56/x
  3. Step 3: Cross multiply
    31,810.08x = 43,914.33 × 22,420.56
  4. Step 4: Simplify right side
    31,810.08x = 984,583,870.62
  5. Step 5: Solve for x
    x = 984,583,870.62/31,810.08
  6. Step 6: Final answer
    x = 30,951.95

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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.