Home / 33,913.88-46,824.34-21,186.45

Finding the Fourth Proportional to 33,913.88, 46,824.34 and 21,186.45

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Solution

The fourth proportional to 33,913.88, 46,824.34 and 21,186.45 is: 29,251.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.88 : 46,824.34 = 21,186.45 : x
  2. Step 2: Convert to fraction form
    33,913.88/46,824.34 = 21,186.45/x
  3. Step 3: Cross multiply
    33,913.88x = 46,824.34 × 21,186.45
  4. Step 4: Simplify right side
    33,913.88x = 992,041,538.19
  5. Step 5: Solve for x
    x = 992,041,538.19/33,913.88
  6. Step 6: Final answer
    x = 29,251.79

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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.