Home / 36,582.72-50,486.40-20,661.36

Finding the Fourth Proportional to 36,582.72, 50,486.40 and 20,661.36

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Solution

The fourth proportional to 36,582.72, 50,486.40 and 20,661.36 is: 28,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,582.72 : 50,486.40 = 20,661.36 : x
  2. Step 2: Convert to fraction form
    36,582.72/50,486.40 = 20,661.36/x
  3. Step 3: Cross multiply
    36,582.72x = 50,486.40 × 20,661.36
  4. Step 4: Simplify right side
    36,582.72x = 1,043,117,685.50
  5. Step 5: Solve for x
    x = 1,043,117,685.50/36,582.72
  6. Step 6: Final answer
    x = 28,513.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.