Home / 56,582.82-84,872.70-19,142.64

Finding the Fourth Proportional to 56,582.82, 84,872.70 and 19,142.64

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Solution

The fourth proportional to 56,582.82, 84,872.70 and 19,142.64 is: 28,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.82 : 84,872.70 = 19,142.64 : x
  2. Step 2: Convert to fraction form
    56,582.82/84,872.70 = 19,142.64/x
  3. Step 3: Cross multiply
    56,582.82x = 84,872.70 × 19,142.64
  4. Step 4: Simplify right side
    56,582.82x = 1,624,687,541.93
  5. Step 5: Solve for x
    x = 1,624,687,541.93/56,582.82
  6. Step 6: Final answer
    x = 28,713.44

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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.