Home / 30,220.48-45,330.67-8,033.87

Finding the Fourth Proportional to 30,220.48, 45,330.67 and 8,033.87

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Solution

The fourth proportional to 30,220.48, 45,330.67 and 8,033.87 is: 12,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.48 : 45,330.67 = 8,033.87 : x
  2. Step 2: Convert to fraction form
    30,220.48/45,330.67 = 8,033.87/x
  3. Step 3: Cross multiply
    30,220.48x = 45,330.67 × 8,033.87
  4. Step 4: Simplify right side
    30,220.48x = 364,180,578.18
  5. Step 5: Solve for x
    x = 364,180,578.18/30,220.48
  6. Step 6: Final answer
    x = 12,050.79

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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.