Home / 51,541.85-71,131.86-30,325.22

Finding the Fourth Proportional to 51,541.85, 71,131.86 and 30,325.22

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Solution

The fourth proportional to 51,541.85, 71,131.86 and 30,325.22 is: 41,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.85 : 71,131.86 = 30,325.22 : x
  2. Step 2: Convert to fraction form
    51,541.85/71,131.86 = 30,325.22/x
  3. Step 3: Cross multiply
    51,541.85x = 71,131.86 × 30,325.22
  4. Step 4: Simplify right side
    51,541.85x = 2,157,089,303.51
  5. Step 5: Solve for x
    x = 2,157,089,303.51/51,541.85
  6. Step 6: Final answer
    x = 41,851.22

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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.