Home / 31,158.44-43,014.08-19,228.36

Finding the Fourth Proportional to 31,158.44, 43,014.08 and 19,228.36

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Solution

The fourth proportional to 31,158.44, 43,014.08 and 19,228.36 is: 26,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.44 : 43,014.08 = 19,228.36 : x
  2. Step 2: Convert to fraction form
    31,158.44/43,014.08 = 19,228.36/x
  3. Step 3: Cross multiply
    31,158.44x = 43,014.08 × 19,228.36
  4. Step 4: Simplify right side
    31,158.44x = 827,090,215.31
  5. Step 5: Solve for x
    x = 827,090,215.31/31,158.44
  6. Step 6: Final answer
    x = 26,544.66

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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.