Home / 51,714.40-71,372.46-30,495.64

Finding the Fourth Proportional to 51,714.40, 71,372.46 and 30,495.64

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Solution

The fourth proportional to 51,714.40, 71,372.46 and 30,495.64 is: 42,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.40 : 71,372.46 = 30,495.64 : x
  2. Step 2: Convert to fraction form
    51,714.40/71,372.46 = 30,495.64/x
  3. Step 3: Cross multiply
    51,714.40x = 71,372.46 × 30,495.64
  4. Step 4: Simplify right side
    51,714.40x = 2,176,548,846.07
  5. Step 5: Solve for x
    x = 2,176,548,846.07/51,714.40
  6. Step 6: Final answer
    x = 42,087.87

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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.