Home / 51,130.62-70,556.31-29,907.90

Finding the Fourth Proportional to 51,130.62, 70,556.31 and 29,907.90

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Solution

The fourth proportional to 51,130.62, 70,556.31 and 29,907.90 is: 41,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.62 : 70,556.31 = 29,907.90 : x
  2. Step 2: Convert to fraction form
    51,130.62/70,556.31 = 29,907.90/x
  3. Step 3: Cross multiply
    51,130.62x = 70,556.31 × 29,907.90
  4. Step 4: Simplify right side
    51,130.62x = 2,110,191,063.85
  5. Step 5: Solve for x
    x = 2,110,191,063.85/51,130.62
  6. Step 6: Final answer
    x = 41,270.59

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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.