Home / 51,556.89-71,150.48-28,896.06

Finding the Fourth Proportional to 51,556.89, 71,150.48 and 28,896.06

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Solution

The fourth proportional to 51,556.89, 71,150.48 and 28,896.06 is: 39,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,556.89 : 71,150.48 = 28,896.06 : x
  2. Step 2: Convert to fraction form
    51,556.89/71,150.48 = 28,896.06/x
  3. Step 3: Cross multiply
    51,556.89x = 71,150.48 × 28,896.06
  4. Step 4: Simplify right side
    51,556.89x = 2,055,968,539.11
  5. Step 5: Solve for x
    x = 2,055,968,539.11/51,556.89
  6. Step 6: Final answer
    x = 39,877.67

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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.