Home / 51,541.13-71,125.56-30,321.77

Finding the Fourth Proportional to 51,541.13, 71,125.56 and 30,321.77

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Solution

The fourth proportional to 51,541.13, 71,125.56 and 30,321.77 is: 41,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541.13 : 71,125.56 = 30,321.77 : x
  2. Step 2: Convert to fraction form
    51,541.13/71,125.56 = 30,321.77/x
  3. Step 3: Cross multiply
    51,541.13x = 71,125.56 × 30,321.77
  4. Step 4: Simplify right side
    51,541.13x = 2,156,652,515.81
  5. Step 5: Solve for x
    x = 2,156,652,515.81/51,541.13
  6. Step 6: Final answer
    x = 41,843.33

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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.