Home / 34,678.31-51,995.60-19,106.87

Finding the Fourth Proportional to 34,678.31, 51,995.60 and 19,106.87

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Solution

The fourth proportional to 34,678.31, 51,995.60 and 19,106.87 is: 28,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,678.31 : 51,995.60 = 19,106.87 : x
  2. Step 2: Convert to fraction form
    34,678.31/51,995.60 = 19,106.87/x
  3. Step 3: Cross multiply
    34,678.31x = 51,995.60 × 19,106.87
  4. Step 4: Simplify right side
    34,678.31x = 993,473,074.24
  5. Step 5: Solve for x
    x = 993,473,074.24/34,678.31
  6. Step 6: Final answer
    x = 28,648.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.