Home / 30,201.32-45,284.03-11,482.73

Finding the Fourth Proportional to 30,201.32, 45,284.03 and 11,482.73

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Solution

The fourth proportional to 30,201.32, 45,284.03 and 11,482.73 is: 17,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.32 : 45,284.03 = 11,482.73 : x
  2. Step 2: Convert to fraction form
    30,201.32/45,284.03 = 11,482.73/x
  3. Step 3: Cross multiply
    30,201.32x = 45,284.03 × 11,482.73
  4. Step 4: Simplify right side
    30,201.32x = 519,984,139.92
  5. Step 5: Solve for x
    x = 519,984,139.92/30,201.32
  6. Step 6: Final answer
    x = 17,217.27

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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.