Home / 51,170.94-70,597.16-31,013.28

Finding the Fourth Proportional to 51,170.94, 70,597.16 and 31,013.28

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Solution

The fourth proportional to 51,170.94, 70,597.16 and 31,013.28 is: 42,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.94 : 70,597.16 = 31,013.28 : x
  2. Step 2: Convert to fraction form
    51,170.94/70,597.16 = 31,013.28/x
  3. Step 3: Cross multiply
    51,170.94x = 70,597.16 × 31,013.28
  4. Step 4: Simplify right side
    51,170.94x = 2,189,449,490.28
  5. Step 5: Solve for x
    x = 2,189,449,490.28/51,170.94
  6. Step 6: Final answer
    x = 42,786.97

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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.