Home / 51,726.90-71,383.07-30,231.43

Finding the Fourth Proportional to 51,726.90, 71,383.07 and 30,231.43

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Solution

The fourth proportional to 51,726.90, 71,383.07 and 30,231.43 is: 41,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.90 : 71,383.07 = 30,231.43 : x
  2. Step 2: Convert to fraction form
    51,726.90/71,383.07 = 30,231.43/x
  3. Step 3: Cross multiply
    51,726.90x = 71,383.07 × 30,231.43
  4. Step 4: Simplify right side
    51,726.90x = 2,158,012,181.01
  5. Step 5: Solve for x
    x = 2,158,012,181.01/51,726.90
  6. Step 6: Final answer
    x = 41,719.34

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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.