Home / 39,582.84-54,624.33-21,679.02

Finding the Fourth Proportional to 39,582.84, 54,624.33 and 21,679.02

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Solution

The fourth proportional to 39,582.84, 54,624.33 and 21,679.02 is: 29,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,582.84 : 54,624.33 = 21,679.02 : x
  2. Step 2: Convert to fraction form
    39,582.84/54,624.33 = 21,679.02/x
  3. Step 3: Cross multiply
    39,582.84x = 54,624.33 × 21,679.02
  4. Step 4: Simplify right side
    39,582.84x = 1,184,201,942.56
  5. Step 5: Solve for x
    x = 1,184,201,942.56/39,582.84
  6. Step 6: Final answer
    x = 29,917.05

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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.