Home / 39,279.97-58,920.50-11,200.03

Finding the Fourth Proportional to 39,279.97, 58,920.50 and 11,200.03

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Solution

The fourth proportional to 39,279.97, 58,920.50 and 11,200.03 is: 16,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.97 : 58,920.50 = 11,200.03 : x
  2. Step 2: Convert to fraction form
    39,279.97/58,920.50 = 11,200.03/x
  3. Step 3: Cross multiply
    39,279.97x = 58,920.50 × 11,200.03
  4. Step 4: Simplify right side
    39,279.97x = 659,911,311.61
  5. Step 5: Solve for x
    x = 659,911,311.61/39,279.97
  6. Step 6: Final answer
    x = 16,800.20

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1.5x scale

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.