Home / 58,555.38-87,847.07-19,112.57

Finding the Fourth Proportional to 58,555.38, 87,847.07 and 19,112.57

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Solution

The fourth proportional to 58,555.38, 87,847.07 and 19,112.57 is: 28,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,555.38 : 87,847.07 = 19,112.57 : x
  2. Step 2: Convert to fraction form
    58,555.38/87,847.07 = 19,112.57/x
  3. Step 3: Cross multiply
    58,555.38x = 87,847.07 × 19,112.57
  4. Step 4: Simplify right side
    58,555.38x = 1,678,983,274.67
  5. Step 5: Solve for x
    x = 1,678,983,274.67/58,555.38
  6. Step 6: Final answer
    x = 28,673.42

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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.