Home / 30,286.24-45,425.77-8,101.33

Finding the Fourth Proportional to 30,286.24, 45,425.77 and 8,101.33

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Solution

The fourth proportional to 30,286.24, 45,425.77 and 8,101.33 is: 12,151.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.24 : 45,425.77 = 8,101.33 : x
  2. Step 2: Convert to fraction form
    30,286.24/45,425.77 = 8,101.33/x
  3. Step 3: Cross multiply
    30,286.24x = 45,425.77 × 8,101.33
  4. Step 4: Simplify right side
    30,286.24x = 368,009,019.46
  5. Step 5: Solve for x
    x = 368,009,019.46/30,286.24
  6. Step 6: Final answer
    x = 12,151.03

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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.