Home / 31,795.66-43,873.14-19,045.86

Finding the Fourth Proportional to 31,795.66, 43,873.14 and 19,045.86

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Solution

The fourth proportional to 31,795.66, 43,873.14 and 19,045.86 is: 26,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.66 : 43,873.14 = 19,045.86 : x
  2. Step 2: Convert to fraction form
    31,795.66/43,873.14 = 19,045.86/x
  3. Step 3: Cross multiply
    31,795.66x = 43,873.14 × 19,045.86
  4. Step 4: Simplify right side
    31,795.66x = 835,601,682.20
  5. Step 5: Solve for x
    x = 835,601,682.20/31,795.66
  6. Step 6: Final answer
    x = 26,280.37

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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.