Home / 33,920.40-46,812.42-18,817.86

Finding the Fourth Proportional to 33,920.40, 46,812.42 and 18,817.86

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Solution

The fourth proportional to 33,920.40, 46,812.42 and 18,817.86 is: 25,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.40 : 46,812.42 = 18,817.86 : x
  2. Step 2: Convert to fraction form
    33,920.40/46,812.42 = 18,817.86/x
  3. Step 3: Cross multiply
    33,920.40x = 46,812.42 × 18,817.86
  4. Step 4: Simplify right side
    33,920.40x = 880,909,565.82
  5. Step 5: Solve for x
    x = 880,909,565.82/33,920.40
  6. Step 6: Final answer
    x = 25,969.91

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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.