Home / 39,584.39-54,624.51-21,679.47

Finding the Fourth Proportional to 39,584.39, 54,624.51 and 21,679.47

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Solution

The fourth proportional to 39,584.39, 54,624.51 and 21,679.47 is: 29,916.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.39 : 54,624.51 = 21,679.47 : x
  2. Step 2: Convert to fraction form
    39,584.39/54,624.51 = 21,679.47/x
  3. Step 3: Cross multiply
    39,584.39x = 54,624.51 × 21,679.47
  4. Step 4: Simplify right side
    39,584.39x = 1,184,230,425.81
  5. Step 5: Solve for x
    x = 1,184,230,425.81/39,584.39
  6. Step 6: Final answer
    x = 29,916.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.