Home / 30,220.24-45,330.28-8,033.61

Finding the Fourth Proportional to 30,220.24, 45,330.28 and 8,033.61

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Solution

The fourth proportional to 30,220.24, 45,330.28 and 8,033.61 is: 12,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.24 : 45,330.28 = 8,033.61 : x
  2. Step 2: Convert to fraction form
    30,220.24/45,330.28 = 8,033.61/x
  3. Step 3: Cross multiply
    30,220.24x = 45,330.28 × 8,033.61
  4. Step 4: Simplify right side
    30,220.24x = 364,165,603.33
  5. Step 5: Solve for x
    x = 364,165,603.33/30,220.24
  6. Step 6: Final answer
    x = 12,050.39

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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.