Home / 58,630.72-87,954.30-19,190.96

Finding the Fourth Proportional to 58,630.72, 87,954.30 and 19,190.96

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Solution

The fourth proportional to 58,630.72, 87,954.30 and 19,190.96 is: 28,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,630.72 : 87,954.30 = 19,190.96 : x
  2. Step 2: Convert to fraction form
    58,630.72/87,954.30 = 19,190.96/x
  3. Step 3: Cross multiply
    58,630.72x = 87,954.30 × 19,190.96
  4. Step 4: Simplify right side
    58,630.72x = 1,687,927,453.13
  5. Step 5: Solve for x
    x = 1,687,927,453.13/58,630.72
  6. Step 6: Final answer
    x = 28,789.13

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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.