Home / 33,642.28-46,428.42-18,738.28

Finding the Fourth Proportional to 33,642.28, 46,428.42 and 18,738.28

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Solution

The fourth proportional to 33,642.28, 46,428.42 and 18,738.28 is: 25,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.28 : 46,428.42 = 18,738.28 : x
  2. Step 2: Convert to fraction form
    33,642.28/46,428.42 = 18,738.28/x
  3. Step 3: Cross multiply
    33,642.28x = 46,428.42 × 18,738.28
  4. Step 4: Simplify right side
    33,642.28x = 869,988,733.92
  5. Step 5: Solve for x
    x = 869,988,733.92/33,642.28
  6. Step 6: Final answer
    x = 25,859.98

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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.