Home / 30,409.43-45,618.52-9,351.25

Finding the Fourth Proportional to 30,409.43, 45,618.52 and 9,351.25

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Solution

The fourth proportional to 30,409.43, 45,618.52 and 9,351.25 is: 14,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.43 : 45,618.52 = 9,351.25 : x
  2. Step 2: Convert to fraction form
    30,409.43/45,618.52 = 9,351.25/x
  3. Step 3: Cross multiply
    30,409.43x = 45,618.52 × 9,351.25
  4. Step 4: Simplify right side
    30,409.43x = 426,590,047.73
  5. Step 5: Solve for x
    x = 426,590,047.73/30,409.43
  6. Step 6: Final answer
    x = 14,028.21

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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.