Home / 33,449.79-46,161.18-18,342.21

Finding the Fourth Proportional to 33,449.79, 46,161.18 and 18,342.21

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Solution

The fourth proportional to 33,449.79, 46,161.18 and 18,342.21 is: 25,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,449.79 : 46,161.18 = 18,342.21 : x
  2. Step 2: Convert to fraction form
    33,449.79/46,161.18 = 18,342.21/x
  3. Step 3: Cross multiply
    33,449.79x = 46,161.18 × 18,342.21
  4. Step 4: Simplify right side
    33,449.79x = 846,698,057.41
  5. Step 5: Solve for x
    x = 846,698,057.41/33,449.79
  6. Step 6: Final answer
    x = 25,312.51

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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.