Home / 39,173.40-58,660.44-21,624

Finding the Fourth Proportional to 39,173.40, 58,660.44 and 21,624

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Solution

The fourth proportional to 39,173.40, 58,660.44 and 21,624 is: 32,380.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,173.40 : 58,660.44 = 21,624 : x
  2. Step 2: Convert to fraction form
    39,173.40/58,660.44 = 21,624/x
  3. Step 3: Cross multiply
    39,173.40x = 58,660.44 × 21,624
  4. Step 4: Simplify right side
    39,173.40x = 1,268,473,354.56
  5. Step 5: Solve for x
    x = 1,268,473,354.56/39,173.40
  6. Step 6: Final answer
    x = 32,380.99

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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.