Home / 38,447.82-57,673.47-11,791.86

Finding the Fourth Proportional to 38,447.82, 57,673.47 and 11,791.86

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Solution

The fourth proportional to 38,447.82, 57,673.47 and 11,791.86 is: 17,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,447.82 : 57,673.47 = 11,791.86 : x
  2. Step 2: Convert to fraction form
    38,447.82/57,673.47 = 11,791.86/x
  3. Step 3: Cross multiply
    38,447.82x = 57,673.47 × 11,791.86
  4. Step 4: Simplify right side
    38,447.82x = 680,077,483.95
  5. Step 5: Solve for x
    x = 680,077,483.95/38,447.82
  6. Step 6: Final answer
    x = 17,688.32

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1.5x scale

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.