Home / 33,415.60-46,113.50-19,986.86

Finding the Fourth Proportional to 33,415.60, 46,113.50 and 19,986.86

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Solution

The fourth proportional to 33,415.60, 46,113.50 and 19,986.86 is: 27,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.60 : 46,113.50 = 19,986.86 : x
  2. Step 2: Convert to fraction form
    33,415.60/46,113.50 = 19,986.86/x
  3. Step 3: Cross multiply
    33,415.60x = 46,113.50 × 19,986.86
  4. Step 4: Simplify right side
    33,415.60x = 921,664,068.61
  5. Step 5: Solve for x
    x = 921,664,068.61/33,415.60
  6. Step 6: Final answer
    x = 27,581.85

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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.