Home / 51,853.54-71,563.25-31,723.81

Finding the Fourth Proportional to 51,853.54, 71,563.25 and 31,723.81

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Solution

The fourth proportional to 51,853.54, 71,563.25 and 31,723.81 is: 43,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.54 : 71,563.25 = 31,723.81 : x
  2. Step 2: Convert to fraction form
    51,853.54/71,563.25 = 31,723.81/x
  3. Step 3: Cross multiply
    51,853.54x = 71,563.25 × 31,723.81
  4. Step 4: Simplify right side
    51,853.54x = 2,270,258,787.36
  5. Step 5: Solve for x
    x = 2,270,258,787.36/51,853.54
  6. Step 6: Final answer
    x = 43,782.13

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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.