Home / 43,184.59-64,682.96-20,951.16

Finding the Fourth Proportional to 43,184.59, 64,682.96 and 20,951.16

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Solution

The fourth proportional to 43,184.59, 64,682.96 and 20,951.16 is: 31,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,184.59 : 64,682.96 = 20,951.16 : x
  2. Step 2: Convert to fraction form
    43,184.59/64,682.96 = 20,951.16/x
  3. Step 3: Cross multiply
    43,184.59x = 64,682.96 × 20,951.16
  4. Step 4: Simplify right side
    43,184.59x = 1,355,182,696.92
  5. Step 5: Solve for x
    x = 1,355,182,696.92/43,184.59
  6. Step 6: Final answer
    x = 31,381.16

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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.