Home / 34,058.76-51,021.72-19,222.80

Finding the Fourth Proportional to 34,058.76, 51,021.72 and 19,222.80

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Solution

The fourth proportional to 34,058.76, 51,021.72 and 19,222.80 is: 28,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,058.76 : 51,021.72 = 19,222.80 : x
  2. Step 2: Convert to fraction form
    34,058.76/51,021.72 = 19,222.80/x
  3. Step 3: Cross multiply
    34,058.76x = 51,021.72 × 19,222.80
  4. Step 4: Simplify right side
    34,058.76x = 980,780,319.22
  5. Step 5: Solve for x
    x = 980,780,319.22/34,058.76
  6. Step 6: Final answer
    x = 28,796.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.