Home / 50,800.20-76,178.10-15,731.64

Finding the Fourth Proportional to 50,800.20, 76,178.10 and 15,731.64

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Solution

The fourth proportional to 50,800.20, 76,178.10 and 15,731.64 is: 23,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.20 : 76,178.10 = 15,731.64 : x
  2. Step 2: Convert to fraction form
    50,800.20/76,178.10 = 15,731.64/x
  3. Step 3: Cross multiply
    50,800.20x = 76,178.10 × 15,731.64
  4. Step 4: Simplify right side
    50,800.20x = 1,198,406,445.08
  5. Step 5: Solve for x
    x = 1,198,406,445.08/50,800.20
  6. Step 6: Final answer
    x = 23,590.59

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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.