Home / 31,162.60-43,005.36-19,226.44

Finding the Fourth Proportional to 31,162.60, 43,005.36 and 19,226.44

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Solution

The fourth proportional to 31,162.60, 43,005.36 and 19,226.44 is: 26,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.60 : 43,005.36 = 19,226.44 : x
  2. Step 2: Convert to fraction form
    31,162.60/43,005.36 = 19,226.44/x
  3. Step 3: Cross multiply
    31,162.60x = 43,005.36 × 19,226.44
  4. Step 4: Simplify right side
    31,162.60x = 826,839,973.72
  5. Step 5: Solve for x
    x = 826,839,973.72/31,162.60
  6. Step 6: Final answer
    x = 26,533.09

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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.