Home / 38,914.13-58,378.49-18,137.63

Finding the Fourth Proportional to 38,914.13, 58,378.49 and 18,137.63

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Solution

The fourth proportional to 38,914.13, 58,378.49 and 18,137.63 is: 27,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,914.13 : 58,378.49 = 18,137.63 : x
  2. Step 2: Convert to fraction form
    38,914.13/58,378.49 = 18,137.63/x
  3. Step 3: Cross multiply
    38,914.13x = 58,378.49 × 18,137.63
  4. Step 4: Simplify right side
    38,914.13x = 1,058,847,069.00
  5. Step 5: Solve for x
    x = 1,058,847,069.00/38,914.13
  6. Step 6: Final answer
    x = 27,209.84

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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.