Home / 50,778.11-70,052.09-30,623.54

Finding the Fourth Proportional to 50,778.11, 70,052.09 and 30,623.54

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Solution

The fourth proportional to 50,778.11, 70,052.09 and 30,623.54 is: 42,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.11 : 70,052.09 = 30,623.54 : x
  2. Step 2: Convert to fraction form
    50,778.11/70,052.09 = 30,623.54/x
  3. Step 3: Cross multiply
    50,778.11x = 70,052.09 × 30,623.54
  4. Step 4: Simplify right side
    50,778.11x = 2,145,242,476.82
  5. Step 5: Solve for x
    x = 2,145,242,476.82/50,778.11
  6. Step 6: Final answer
    x = 42,247.39

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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.