Home / 31,458.58-43,412.14-18,037.73

Finding the Fourth Proportional to 31,458.58, 43,412.14 and 18,037.73

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Solution

The fourth proportional to 31,458.58, 43,412.14 and 18,037.73 is: 24,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.58 : 43,412.14 = 18,037.73 : x
  2. Step 2: Convert to fraction form
    31,458.58/43,412.14 = 18,037.73/x
  3. Step 3: Cross multiply
    31,458.58x = 43,412.14 × 18,037.73
  4. Step 4: Simplify right side
    31,458.58x = 783,056,460.04
  5. Step 5: Solve for x
    x = 783,056,460.04/31,458.58
  6. Step 6: Final answer
    x = 24,891.67

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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.