Home / 34,513.82-51,678.47-19,702.36

Finding the Fourth Proportional to 34,513.82, 51,678.47 and 19,702.36

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Solution

The fourth proportional to 34,513.82, 51,678.47 and 19,702.36 is: 29,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,513.82 : 51,678.47 = 19,702.36 : x
  2. Step 2: Convert to fraction form
    34,513.82/51,678.47 = 19,702.36/x
  3. Step 3: Cross multiply
    34,513.82x = 51,678.47 × 19,702.36
  4. Step 4: Simplify right side
    34,513.82x = 1,018,187,820.19
  5. Step 5: Solve for x
    x = 1,018,187,820.19/34,513.82
  6. Step 6: Final answer
    x = 29,500.87

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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.