Home / 31,257.19-43,089.96-22,289.05

Finding the Fourth Proportional to 31,257.19, 43,089.96 and 22,289.05

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Solution

The fourth proportional to 31,257.19, 43,089.96 and 22,289.05 is: 30,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.19 : 43,089.96 = 22,289.05 : x
  2. Step 2: Convert to fraction form
    31,257.19/43,089.96 = 22,289.05/x
  3. Step 3: Cross multiply
    31,257.19x = 43,089.96 × 22,289.05
  4. Step 4: Simplify right side
    31,257.19x = 960,434,272.94
  5. Step 5: Solve for x
    x = 960,434,272.94/31,257.19
  6. Step 6: Final answer
    x = 30,726.83

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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.