Home / 36,279.79-54,415.60-12,582.97

Finding the Fourth Proportional to 36,279.79, 54,415.60 and 12,582.97

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Solution

The fourth proportional to 36,279.79, 54,415.60 and 12,582.97 is: 18,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.79 : 54,415.60 = 12,582.97 : x
  2. Step 2: Convert to fraction form
    36,279.79/54,415.60 = 12,582.97/x
  3. Step 3: Cross multiply
    36,279.79x = 54,415.60 × 12,582.97
  4. Step 4: Simplify right side
    36,279.79x = 684,709,694.84
  5. Step 5: Solve for x
    x = 684,709,694.84/36,279.79
  6. Step 6: Final answer
    x = 18,873.03

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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.