Home / 45,791.24-63,199.53-31,439.33

Finding the Fourth Proportional to 45,791.24, 63,199.53 and 31,439.33

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Solution

The fourth proportional to 45,791.24, 63,199.53 and 31,439.33 is: 43,391.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791.24 : 63,199.53 = 31,439.33 : x
  2. Step 2: Convert to fraction form
    45,791.24/63,199.53 = 31,439.33/x
  3. Step 3: Cross multiply
    45,791.24x = 63,199.53 × 31,439.33
  4. Step 4: Simplify right side
    45,791.24x = 1,986,950,879.51
  5. Step 5: Solve for x
    x = 1,986,950,879.51/45,791.24
  6. Step 6: Final answer
    x = 43,391.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.