Home / 30,297.92-45,329.76-30,219.84

Finding the Fourth Proportional to 30,297.92, 45,329.76 and 30,219.84

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Solution

The fourth proportional to 30,297.92, 45,329.76 and 30,219.84 is: 45,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.92 : 45,329.76 = 30,219.84 : x
  2. Step 2: Convert to fraction form
    30,297.92/45,329.76 = 30,219.84/x
  3. Step 3: Cross multiply
    30,297.92x = 45,329.76 × 30,219.84
  4. Step 4: Simplify right side
    30,297.92x = 1,369,858,094.44
  5. Step 5: Solve for x
    x = 1,369,858,094.44/30,297.92
  6. Step 6: Final answer
    x = 45,212.94

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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.