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Finding the Fourth Proportional to 50,955.67, 70,302.99 and 29,719.90

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Solution

The fourth proportional to 50,955.67, 70,302.99 and 29,719.90 is: 41,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,955.67 : 70,302.99 = 29,719.90 : x
  2. Step 2: Convert to fraction form
    50,955.67/70,302.99 = 29,719.90/x
  3. Step 3: Cross multiply
    50,955.67x = 70,302.99 × 29,719.90
  4. Step 4: Simplify right side
    50,955.67x = 2,089,397,832.50
  5. Step 5: Solve for x
    x = 2,089,397,832.50/50,955.67
  6. Step 6: Final answer
    x = 41,004.23

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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.