Home / 51,556.06-71,143.98-30,331.24

Finding the Fourth Proportional to 51,556.06, 71,143.98 and 30,331.24

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Solution

The fourth proportional to 51,556.06, 71,143.98 and 30,331.24 is: 41,855.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,556.06 : 71,143.98 = 30,331.24 : x
  2. Step 2: Convert to fraction form
    51,556.06/71,143.98 = 30,331.24/x
  3. Step 3: Cross multiply
    51,556.06x = 71,143.98 × 30,331.24
  4. Step 4: Simplify right side
    51,556.06x = 2,157,885,131.94
  5. Step 5: Solve for x
    x = 2,157,885,131.94/51,556.06
  6. Step 6: Final answer
    x = 41,855.12

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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.