Home / 51,079.05-70,491.11-30,924.54

Finding the Fourth Proportional to 51,079.05, 70,491.11 and 30,924.54

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Solution

The fourth proportional to 51,079.05, 70,491.11 and 30,924.54 is: 42,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,079.05 : 70,491.11 = 30,924.54 : x
  2. Step 2: Convert to fraction form
    51,079.05/70,491.11 = 30,924.54/x
  3. Step 3: Cross multiply
    51,079.05x = 70,491.11 × 30,924.54
  4. Step 4: Simplify right side
    51,079.05x = 2,179,904,996.22
  5. Step 5: Solve for x
    x = 2,179,904,996.22/51,079.05
  6. Step 6: Final answer
    x = 42,677.09

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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.