Home / 47,712.26-71,603.93-18,187.76

Finding the Fourth Proportional to 47,712.26, 71,603.93 and 18,187.76

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Solution

The fourth proportional to 47,712.26, 71,603.93 and 18,187.76 is: 27,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.26 : 71,603.93 = 18,187.76 : x
  2. Step 2: Convert to fraction form
    47,712.26/71,603.93 = 18,187.76/x
  3. Step 3: Cross multiply
    47,712.26x = 71,603.93 × 18,187.76
  4. Step 4: Simplify right side
    47,712.26x = 1,302,315,318.38
  5. Step 5: Solve for x
    x = 1,302,315,318.38/47,712.26
  6. Step 6: Final answer
    x = 27,295.19

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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.