Home / 36,689.62-50,630.70-20,775.58

Finding the Fourth Proportional to 36,689.62, 50,630.70 and 20,775.58

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Solution

The fourth proportional to 36,689.62, 50,630.70 and 20,775.58 is: 28,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.62 : 50,630.70 = 20,775.58 : x
  2. Step 2: Convert to fraction form
    36,689.62/50,630.70 = 20,775.58/x
  3. Step 3: Cross multiply
    36,689.62x = 50,630.70 × 20,775.58
  4. Step 4: Simplify right side
    36,689.62x = 1,051,882,158.31
  5. Step 5: Solve for x
    x = 1,051,882,158.31/36,689.62
  6. Step 6: Final answer
    x = 28,669.75

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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.