Home / 30,071.06-45,106.78-7,884.24

Finding the Fourth Proportional to 30,071.06, 45,106.78 and 7,884.24

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Solution

The fourth proportional to 30,071.06, 45,106.78 and 7,884.24 is: 11,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.06 : 45,106.78 = 7,884.24 : x
  2. Step 2: Convert to fraction form
    30,071.06/45,106.78 = 7,884.24/x
  3. Step 3: Cross multiply
    30,071.06x = 45,106.78 × 7,884.24
  4. Step 4: Simplify right side
    30,071.06x = 355,632,659.44
  5. Step 5: Solve for x
    x = 355,632,659.44/30,071.06
  6. Step 6: Final answer
    x = 11,826.41

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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.