Home / 39,292.40-58,939.22-21,872.95

Finding the Fourth Proportional to 39,292.40, 58,939.22 and 21,872.95

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Solution

The fourth proportional to 39,292.40, 58,939.22 and 21,872.95 is: 32,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.40 : 58,939.22 = 21,872.95 : x
  2. Step 2: Convert to fraction form
    39,292.40/58,939.22 = 21,872.95/x
  3. Step 3: Cross multiply
    39,292.40x = 58,939.22 × 21,872.95
  4. Step 4: Simplify right side
    39,292.40x = 1,289,174,355.39
  5. Step 5: Solve for x
    x = 1,289,174,355.39/39,292.40
  6. Step 6: Final answer
    x = 32,809.76

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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.