Home / 31,499.28-43,468.26-18,069.68

Finding the Fourth Proportional to 31,499.28, 43,468.26 and 18,069.68

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Solution

The fourth proportional to 31,499.28, 43,468.26 and 18,069.68 is: 24,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.28 : 43,468.26 = 18,069.68 : x
  2. Step 2: Convert to fraction form
    31,499.28/43,468.26 = 18,069.68/x
  3. Step 3: Cross multiply
    31,499.28x = 43,468.26 × 18,069.68
  4. Step 4: Simplify right side
    31,499.28x = 785,457,548.36
  5. Step 5: Solve for x
    x = 785,457,548.36/31,499.28
  6. Step 6: Final answer
    x = 24,935.73

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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.