Home / 30,272.86-41,758.77-19,669.51

Finding the Fourth Proportional to 30,272.86, 41,758.77 and 19,669.51

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Solution

The fourth proportional to 30,272.86, 41,758.77 and 19,669.51 is: 27,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.86 : 41,758.77 = 19,669.51 : x
  2. Step 2: Convert to fraction form
    30,272.86/41,758.77 = 19,669.51/x
  3. Step 3: Cross multiply
    30,272.86x = 41,758.77 × 19,669.51
  4. Step 4: Simplify right side
    30,272.86x = 821,374,544.10
  5. Step 5: Solve for x
    x = 821,374,544.10/30,272.86
  6. Step 6: Final answer
    x = 27,132.37

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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.