Home / 47,875.05-71,817.57-18,317.61

Finding the Fourth Proportional to 47,875.05, 71,817.57 and 18,317.61

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Solution

The fourth proportional to 47,875.05, 71,817.57 and 18,317.61 is: 27,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,875.05 : 71,817.57 = 18,317.61 : x
  2. Step 2: Convert to fraction form
    47,875.05/71,817.57 = 18,317.61/x
  3. Step 3: Cross multiply
    47,875.05x = 71,817.57 × 18,317.61
  4. Step 4: Simplify right side
    47,875.05x = 1,315,526,238.41
  5. Step 5: Solve for x
    x = 1,315,526,238.41/47,875.05
  6. Step 6: Final answer
    x = 27,478.33

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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.