Home / 31,610.18-43,624.34-18,185.64

Finding the Fourth Proportional to 31,610.18, 43,624.34 and 18,185.64

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Solution

The fourth proportional to 31,610.18, 43,624.34 and 18,185.64 is: 25,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.18 : 43,624.34 = 18,185.64 : x
  2. Step 2: Convert to fraction form
    31,610.18/43,624.34 = 18,185.64/x
  3. Step 3: Cross multiply
    31,610.18x = 43,624.34 × 18,185.64
  4. Step 4: Simplify right side
    31,610.18x = 793,336,451.55
  5. Step 5: Solve for x
    x = 793,336,451.55/31,610.18
  6. Step 6: Final answer
    x = 25,097.50

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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.