Home / 33,111.92-49,667.84-13,390.32

Finding the Fourth Proportional to 33,111.92, 49,667.84 and 13,390.32

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Solution

The fourth proportional to 33,111.92, 49,667.84 and 13,390.32 is: 20,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,111.92 : 49,667.84 = 13,390.32 : x
  2. Step 2: Convert to fraction form
    33,111.92/49,667.84 = 13,390.32/x
  3. Step 3: Cross multiply
    33,111.92x = 49,667.84 × 13,390.32
  4. Step 4: Simplify right side
    33,111.92x = 665,068,271.31
  5. Step 5: Solve for x
    x = 665,068,271.31/33,111.92
  6. Step 6: Final answer
    x = 20,085.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.