Home / 30,196.32-45,270.64-19,079.54

Finding the Fourth Proportional to 30,196.32, 45,270.64 and 19,079.54

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Solution

The fourth proportional to 30,196.32, 45,270.64 and 19,079.54 is: 28,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,196.32 : 45,270.64 = 19,079.54 : x
  2. Step 2: Convert to fraction form
    30,196.32/45,270.64 = 19,079.54/x
  3. Step 3: Cross multiply
    30,196.32x = 45,270.64 × 19,079.54
  4. Step 4: Simplify right side
    30,196.32x = 863,742,986.71
  5. Step 5: Solve for x
    x = 863,742,986.71/30,196.32
  6. Step 6: Final answer
    x = 28,604.25

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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.