Home / 30,028.32-44,964.72-20,697.12

Finding the Fourth Proportional to 30,028.32, 44,964.72 and 20,697.12

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Solution

The fourth proportional to 30,028.32, 44,964.72 and 20,697.12 is: 30,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.32 : 44,964.72 = 20,697.12 : x
  2. Step 2: Convert to fraction form
    30,028.32/44,964.72 = 20,697.12/x
  3. Step 3: Cross multiply
    30,028.32x = 44,964.72 × 20,697.12
  4. Step 4: Simplify right side
    30,028.32x = 930,640,205.61
  5. Step 5: Solve for x
    x = 930,640,205.61/30,028.32
  6. Step 6: Final answer
    x = 30,992.08

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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.