Home / 31,782.80-43,860.26-17,637.92

Finding the Fourth Proportional to 31,782.80, 43,860.26 and 17,637.92

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Solution

The fourth proportional to 31,782.80, 43,860.26 and 17,637.92 is: 24,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.80 : 43,860.26 = 17,637.92 : x
  2. Step 2: Convert to fraction form
    31,782.80/43,860.26 = 17,637.92/x
  3. Step 3: Cross multiply
    31,782.80x = 43,860.26 × 17,637.92
  4. Step 4: Simplify right side
    31,782.80x = 773,603,647.41
  5. Step 5: Solve for x
    x = 773,603,647.41/31,782.80
  6. Step 6: Final answer
    x = 24,340.33

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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.