Home / 57,292.31-79,064.24-31,800.33

Finding the Fourth Proportional to 57,292.31, 79,064.24 and 31,800.33

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Solution

The fourth proportional to 57,292.31, 79,064.24 and 31,800.33 is: 43,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,292.31 : 79,064.24 = 31,800.33 : x
  2. Step 2: Convert to fraction form
    57,292.31/79,064.24 = 31,800.33/x
  3. Step 3: Cross multiply
    57,292.31x = 79,064.24 × 31,800.33
  4. Step 4: Simplify right side
    57,292.31x = 2,514,268,923.20
  5. Step 5: Solve for x
    x = 2,514,268,923.20/57,292.31
  6. Step 6: Final answer
    x = 43,884.93

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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.