Home / 50,008.20-75,000.30-28,902.60

Finding the Fourth Proportional to 50,008.20, 75,000.30 and 28,902.60

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Solution

The fourth proportional to 50,008.20, 75,000.30 and 28,902.60 is: 43,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,008.20 : 75,000.30 = 28,902.60 : x
  2. Step 2: Convert to fraction form
    50,008.20/75,000.30 = 28,902.60/x
  3. Step 3: Cross multiply
    50,008.20x = 75,000.30 × 28,902.60
  4. Step 4: Simplify right side
    50,008.20x = 2,167,703,670.78
  5. Step 5: Solve for x
    x = 2,167,703,670.78/50,008.20
  6. Step 6: Final answer
    x = 43,346.96

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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.