Home / 31,422.28-43,362.43-23,391.84

Finding the Fourth Proportional to 31,422.28, 43,362.43 and 23,391.84

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Solution

The fourth proportional to 31,422.28, 43,362.43 and 23,391.84 is: 32,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.28 : 43,362.43 = 23,391.84 : x
  2. Step 2: Convert to fraction form
    31,422.28/43,362.43 = 23,391.84/x
  3. Step 3: Cross multiply
    31,422.28x = 43,362.43 × 23,391.84
  4. Step 4: Simplify right side
    31,422.28x = 1,014,327,024.57
  5. Step 5: Solve for x
    x = 1,014,327,024.57/31,422.28
  6. Step 6: Final answer
    x = 32,280.50

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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.