Home / 30,208.36-45,320.67-12,673.48

Finding the Fourth Proportional to 30,208.36, 45,320.67 and 12,673.48

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Solution

The fourth proportional to 30,208.36, 45,320.67 and 12,673.48 is: 19,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.36 : 45,320.67 = 12,673.48 : x
  2. Step 2: Convert to fraction form
    30,208.36/45,320.67 = 12,673.48/x
  3. Step 3: Cross multiply
    30,208.36x = 45,320.67 × 12,673.48
  4. Step 4: Simplify right side
    30,208.36x = 574,370,604.83
  5. Step 5: Solve for x
    x = 574,370,604.83/30,208.36
  6. Step 6: Final answer
    x = 19,013.63

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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.