Home / 37,102.32-55,639.44-13,403.61

Finding the Fourth Proportional to 37,102.32, 55,639.44 and 13,403.61

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Solution

The fourth proportional to 37,102.32, 55,639.44 and 13,403.61 is: 20,100.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.32 : 55,639.44 = 13,403.61 : x
  2. Step 2: Convert to fraction form
    37,102.32/55,639.44 = 13,403.61/x
  3. Step 3: Cross multiply
    37,102.32x = 55,639.44 × 13,403.61
  4. Step 4: Simplify right side
    37,102.32x = 745,769,354.38
  5. Step 5: Solve for x
    x = 745,769,354.38/37,102.32
  6. Step 6: Final answer
    x = 20,100.34

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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.