Home / 30,050.20-45,076.32-10,328.62

Finding the Fourth Proportional to 30,050.20, 45,076.32 and 10,328.62

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Solution

The fourth proportional to 30,050.20, 45,076.32 and 10,328.62 is: 15,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.20 : 45,076.32 = 10,328.62 : x
  2. Step 2: Convert to fraction form
    30,050.20/45,076.32 = 10,328.62/x
  3. Step 3: Cross multiply
    30,050.20x = 45,076.32 × 10,328.62
  4. Step 4: Simplify right side
    30,050.20x = 465,576,180.28
  5. Step 5: Solve for x
    x = 465,576,180.28/30,050.20
  6. Step 6: Final answer
    x = 15,493.28

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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.