Home / 30,161.70-45,188.55-14,544.90

Finding the Fourth Proportional to 30,161.70, 45,188.55 and 14,544.90

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Solution

The fourth proportional to 30,161.70, 45,188.55 and 14,544.90 is: 21,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.70 : 45,188.55 = 14,544.90 : x
  2. Step 2: Convert to fraction form
    30,161.70/45,188.55 = 14,544.90/x
  3. Step 3: Cross multiply
    30,161.70x = 45,188.55 × 14,544.90
  4. Step 4: Simplify right side
    30,161.70x = 657,262,940.90
  5. Step 5: Solve for x
    x = 657,262,940.90/30,161.70
  6. Step 6: Final answer
    x = 21,791.31

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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.