Home / 30,028.86-45,043.83-9,252.54

Finding the Fourth Proportional to 30,028.86, 45,043.83 and 9,252.54

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Solution

The fourth proportional to 30,028.86, 45,043.83 and 9,252.54 is: 13,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.86 : 45,043.83 = 9,252.54 : x
  2. Step 2: Convert to fraction form
    30,028.86/45,043.83 = 9,252.54/x
  3. Step 3: Cross multiply
    30,028.86x = 45,043.83 × 9,252.54
  4. Step 4: Simplify right side
    30,028.86x = 416,769,838.83
  5. Step 5: Solve for x
    x = 416,769,838.83/30,028.86
  6. Step 6: Final answer
    x = 13,878.98

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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.