Home / 30,239.73-45,380.24-10,518.09

Finding the Fourth Proportional to 30,239.73, 45,380.24 and 10,518.09

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Solution

The fourth proportional to 30,239.73, 45,380.24 and 10,518.09 is: 15,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.73 : 45,380.24 = 10,518.09 : x
  2. Step 2: Convert to fraction form
    30,239.73/45,380.24 = 10,518.09/x
  3. Step 3: Cross multiply
    30,239.73x = 45,380.24 × 10,518.09
  4. Step 4: Simplify right side
    30,239.73x = 477,313,395.95
  5. Step 5: Solve for x
    x = 477,313,395.95/30,239.73
  6. Step 6: Final answer
    x = 15,784.31

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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.