Home / 43,275.84-64,917.04-11,685.44

Finding the Fourth Proportional to 43,275.84, 64,917.04 and 11,685.44

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Solution

The fourth proportional to 43,275.84, 64,917.04 and 11,685.44 is: 17,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.84 : 64,917.04 = 11,685.44 : x
  2. Step 2: Convert to fraction form
    43,275.84/64,917.04 = 11,685.44/x
  3. Step 3: Cross multiply
    43,275.84x = 64,917.04 × 11,685.44
  4. Step 4: Simplify right side
    43,275.84x = 758,583,984.39
  5. Step 5: Solve for x
    x = 758,583,984.39/43,275.84
  6. Step 6: Final answer
    x = 17,529.04

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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.