Home / 54,516.48-81,756.24-19,451.04

Finding the Fourth Proportional to 54,516.48, 81,756.24 and 19,451.04

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Solution

The fourth proportional to 54,516.48, 81,756.24 and 19,451.04 is: 29,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.48 : 81,756.24 = 19,451.04 : x
  2. Step 2: Convert to fraction form
    54,516.48/81,756.24 = 19,451.04/x
  3. Step 3: Cross multiply
    54,516.48x = 81,756.24 × 19,451.04
  4. Step 4: Simplify right side
    54,516.48x = 1,590,243,894.49
  5. Step 5: Solve for x
    x = 1,590,243,894.49/54,516.48
  6. Step 6: Final answer
    x = 29,169.97

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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.