Home / 51,714.28-71,309.86-47,187.19

Finding the Fourth Proportional to 51,714.28, 71,309.86 and 47,187.19

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Solution

The fourth proportional to 51,714.28, 71,309.86 and 47,187.19 is: 65,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,714.28 : 71,309.86 = 47,187.19 : x
  2. Step 2: Convert to fraction form
    51,714.28/71,309.86 = 47,187.19/x
  3. Step 3: Cross multiply
    51,714.28x = 71,309.86 × 47,187.19
  4. Step 4: Simplify right side
    51,714.28x = 3,364,911,912.69
  5. Step 5: Solve for x
    x = 3,364,911,912.69/51,714.28
  6. Step 6: Final answer
    x = 65,067.36

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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.