Home / 33,415.80-46,113.30-18,308.40

Finding the Fourth Proportional to 33,415.80, 46,113.30 and 18,308.40

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Solution

The fourth proportional to 33,415.80, 46,113.30 and 18,308.40 is: 25,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.80 : 46,113.30 = 18,308.40 : x
  2. Step 2: Convert to fraction form
    33,415.80/46,113.30 = 18,308.40/x
  3. Step 3: Cross multiply
    33,415.80x = 46,113.30 × 18,308.40
  4. Step 4: Simplify right side
    33,415.80x = 844,260,741.72
  5. Step 5: Solve for x
    x = 844,260,741.72/33,415.80
  6. Step 6: Final answer
    x = 25,265.32

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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.