Home / 32,790.66-49,138.74-18,707.28

Finding the Fourth Proportional to 32,790.66, 49,138.74 and 18,707.28

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Solution

The fourth proportional to 32,790.66, 49,138.74 and 18,707.28 is: 28,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,790.66 : 49,138.74 = 18,707.28 : x
  2. Step 2: Convert to fraction form
    32,790.66/49,138.74 = 18,707.28/x
  3. Step 3: Cross multiply
    32,790.66x = 49,138.74 × 18,707.28
  4. Step 4: Simplify right side
    32,790.66x = 919,252,168.03
  5. Step 5: Solve for x
    x = 919,252,168.03/32,790.66
  6. Step 6: Final answer
    x = 28,033.96

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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.