Home / 51,072.13-70,421.43-35,959.96

Finding the Fourth Proportional to 51,072.13, 70,421.43 and 35,959.96

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Solution

The fourth proportional to 51,072.13, 70,421.43 and 35,959.96 is: 49,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.13 : 70,421.43 = 35,959.96 : x
  2. Step 2: Convert to fraction form
    51,072.13/70,421.43 = 35,959.96/x
  3. Step 3: Cross multiply
    51,072.13x = 70,421.43 × 35,959.96
  4. Step 4: Simplify right side
    51,072.13x = 2,532,351,805.94
  5. Step 5: Solve for x
    x = 2,532,351,805.94/51,072.13
  6. Step 6: Final answer
    x = 49,583.83

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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.