Home / 39,174.21-58,768.59-12,897.39

Finding the Fourth Proportional to 39,174.21, 58,768.59 and 12,897.39

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Solution

The fourth proportional to 39,174.21, 58,768.59 and 12,897.39 is: 19,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.21 : 58,768.59 = 12,897.39 : x
  2. Step 2: Convert to fraction form
    39,174.21/58,768.59 = 12,897.39/x
  3. Step 3: Cross multiply
    39,174.21x = 58,768.59 × 12,897.39
  4. Step 4: Simplify right side
    39,174.21x = 757,961,424.98
  5. Step 5: Solve for x
    x = 757,961,424.98/39,174.21
  6. Step 6: Final answer
    x = 19,348.48

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1.5x scale

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.