Home / 31,471.11-43,436.34-18,051.44

Finding the Fourth Proportional to 31,471.11, 43,436.34 and 18,051.44

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Solution

The fourth proportional to 31,471.11, 43,436.34 and 18,051.44 is: 24,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.11 : 43,436.34 = 18,051.44 : x
  2. Step 2: Convert to fraction form
    31,471.11/43,436.34 = 18,051.44/x
  3. Step 3: Cross multiply
    31,471.11x = 43,436.34 × 18,051.44
  4. Step 4: Simplify right side
    31,471.11x = 784,088,268.15
  5. Step 5: Solve for x
    x = 784,088,268.15/31,471.11
  6. Step 6: Final answer
    x = 24,914.54

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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.