Home / 33,315.95-45,975.91-18,208.61

Finding the Fourth Proportional to 33,315.95, 45,975.91 and 18,208.61

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Solution

The fourth proportional to 33,315.95, 45,975.91 and 18,208.61 is: 25,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,315.95 : 45,975.91 = 18,208.61 : x
  2. Step 2: Convert to fraction form
    33,315.95/45,975.91 = 18,208.61/x
  3. Step 3: Cross multiply
    33,315.95x = 45,975.91 × 18,208.61
  4. Step 4: Simplify right side
    33,315.95x = 837,157,414.59
  5. Step 5: Solve for x
    x = 837,157,414.59/33,315.95
  6. Step 6: Final answer
    x = 25,127.83

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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.