Home / 30,206.36-45,317.67-12,671.48

Finding the Fourth Proportional to 30,206.36, 45,317.67 and 12,671.48

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Solution

The fourth proportional to 30,206.36, 45,317.67 and 12,671.48 is: 19,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.36 : 45,317.67 = 12,671.48 : x
  2. Step 2: Convert to fraction form
    30,206.36/45,317.67 = 12,671.48/x
  3. Step 3: Cross multiply
    30,206.36x = 45,317.67 × 12,671.48
  4. Step 4: Simplify right side
    30,206.36x = 574,241,949.05
  5. Step 5: Solve for x
    x = 574,241,949.05/30,206.36
  6. Step 6: Final answer
    x = 19,010.63

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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.