Home / 47,638.06-71,457.90-18,069.82

Finding the Fourth Proportional to 47,638.06, 71,457.90 and 18,069.82

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Solution

The fourth proportional to 47,638.06, 71,457.90 and 18,069.82 is: 27,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,638.06 : 71,457.90 = 18,069.82 : x
  2. Step 2: Convert to fraction form
    47,638.06/71,457.90 = 18,069.82/x
  3. Step 3: Cross multiply
    47,638.06x = 71,457.90 × 18,069.82
  4. Step 4: Simplify right side
    47,638.06x = 1,291,231,390.58
  5. Step 5: Solve for x
    x = 1,291,231,390.58/47,638.06
  6. Step 6: Final answer
    x = 27,105.04

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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.