Home / 31,563.46-43,557.55-20,232.95

Finding the Fourth Proportional to 31,563.46, 43,557.55 and 20,232.95

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Solution

The fourth proportional to 31,563.46, 43,557.55 and 20,232.95 is: 27,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.46 : 43,557.55 = 20,232.95 : x
  2. Step 2: Convert to fraction form
    31,563.46/43,557.55 = 20,232.95/x
  3. Step 3: Cross multiply
    31,563.46x = 43,557.55 × 20,232.95
  4. Step 4: Simplify right side
    31,563.46x = 881,297,821.72
  5. Step 5: Solve for x
    x = 881,297,821.72/31,563.46
  6. Step 6: Final answer
    x = 27,921.46

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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.