Home / 49,110.12-73,678.78-19,548.72

Finding the Fourth Proportional to 49,110.12, 73,678.78 and 19,548.72

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Solution

The fourth proportional to 49,110.12, 73,678.78 and 19,548.72 is: 29,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.12 : 73,678.78 = 19,548.72 : x
  2. Step 2: Convert to fraction form
    49,110.12/73,678.78 = 19,548.72/x
  3. Step 3: Cross multiply
    49,110.12x = 73,678.78 × 19,548.72
  4. Step 4: Simplify right side
    49,110.12x = 1,440,325,864.60
  5. Step 5: Solve for x
    x = 1,440,325,864.60/49,110.12
  6. Step 6: Final answer
    x = 29,328.49

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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.