Home / 30,300.52-45,450.66-9,240.50

Finding the Fourth Proportional to 30,300.52, 45,450.66 and 9,240.50

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Solution

The fourth proportional to 30,300.52, 45,450.66 and 9,240.50 is: 13,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.52 : 45,450.66 = 9,240.50 : x
  2. Step 2: Convert to fraction form
    30,300.52/45,450.66 = 9,240.50/x
  3. Step 3: Cross multiply
    30,300.52x = 45,450.66 × 9,240.50
  4. Step 4: Simplify right side
    30,300.52x = 419,986,874.77
  5. Step 5: Solve for x
    x = 419,986,874.77/30,300.52
  6. Step 6: Final answer
    x = 13,860.71

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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.