Home / 38,657.28-58,249.28-31,791.12

Finding the Fourth Proportional to 38,657.28, 58,249.28 and 31,791.12

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Solution

The fourth proportional to 38,657.28, 58,249.28 and 31,791.12 is: 47,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.28 : 58,249.28 = 31,791.12 : x
  2. Step 2: Convert to fraction form
    38,657.28/58,249.28 = 31,791.12/x
  3. Step 3: Cross multiply
    38,657.28x = 58,249.28 × 31,791.12
  4. Step 4: Simplify right side
    38,657.28x = 1,851,809,850.39
  5. Step 5: Solve for x
    x = 1,851,809,850.39/38,657.28
  6. Step 6: Final answer
    x = 47,903.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.