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Finding the Fourth Proportional to 58,173.10, 87,238.10 and 20,723.22

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Solution

The fourth proportional to 58,173.10, 87,238.10 and 20,723.22 is: 31,077.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,173.10 : 87,238.10 = 20,723.22 : x
  2. Step 2: Convert to fraction form
    58,173.10/87,238.10 = 20,723.22/x
  3. Step 3: Cross multiply
    58,173.10x = 87,238.10 × 20,723.22
  4. Step 4: Simplify right side
    58,173.10x = 1,807,854,338.68
  5. Step 5: Solve for x
    x = 1,807,854,338.68/58,173.10
  6. Step 6: Final answer
    x = 31,077.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.