Home / 51,334.20-70,840.62-30,109.38

Finding the Fourth Proportional to 51,334.20, 70,840.62 and 30,109.38

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Solution

The fourth proportional to 51,334.20, 70,840.62 and 30,109.38 is: 41,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334.20 : 70,840.62 = 30,109.38 : x
  2. Step 2: Convert to fraction form
    51,334.20/70,840.62 = 30,109.38/x
  3. Step 3: Cross multiply
    51,334.20x = 70,840.62 × 30,109.38
  4. Step 4: Simplify right side
    51,334.20x = 2,132,967,147.02
  5. Step 5: Solve for x
    x = 2,132,967,147.02/51,334.20
  6. Step 6: Final answer
    x = 41,550.61

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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.