Home / 36,435.69-50,279.94-20,521.62

Finding the Fourth Proportional to 36,435.69, 50,279.94 and 20,521.62

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Solution

The fourth proportional to 36,435.69, 50,279.94 and 20,521.62 is: 28,319.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,435.69 : 50,279.94 = 20,521.62 : x
  2. Step 2: Convert to fraction form
    36,435.69/50,279.94 = 20,521.62/x
  3. Step 3: Cross multiply
    36,435.69x = 50,279.94 × 20,521.62
  4. Step 4: Simplify right side
    36,435.69x = 1,031,825,822.30
  5. Step 5: Solve for x
    x = 1,031,825,822.30/36,435.69
  6. Step 6: Final answer
    x = 28,319.10

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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.