Home / 33,826.64-46,680.84-18,720.40

Finding the Fourth Proportional to 33,826.64, 46,680.84 and 18,720.40

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Solution

The fourth proportional to 33,826.64, 46,680.84 and 18,720.40 is: 25,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,826.64 : 46,680.84 = 18,720.40 : x
  2. Step 2: Convert to fraction form
    33,826.64/46,680.84 = 18,720.40/x
  3. Step 3: Cross multiply
    33,826.64x = 46,680.84 × 18,720.40
  4. Step 4: Simplify right side
    33,826.64x = 873,883,997.14
  5. Step 5: Solve for x
    x = 873,883,997.14/33,826.64
  6. Step 6: Final answer
    x = 25,834.19

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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.