Home / 33,078.21-45,637.88-18,735.77

Finding the Fourth Proportional to 33,078.21, 45,637.88 and 18,735.77

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Solution

The fourth proportional to 33,078.21, 45,637.88 and 18,735.77 is: 25,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,078.21 : 45,637.88 = 18,735.77 : x
  2. Step 2: Convert to fraction form
    33,078.21/45,637.88 = 18,735.77/x
  3. Step 3: Cross multiply
    33,078.21x = 45,637.88 × 18,735.77
  4. Step 4: Simplify right side
    33,078.21x = 855,060,575.19
  5. Step 5: Solve for x
    x = 855,060,575.19/33,078.21
  6. Step 6: Final answer
    x = 25,849.66

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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.