Home / 50,989.75-70,353.13-30,575.02

Finding the Fourth Proportional to 50,989.75, 70,353.13 and 30,575.02

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Solution

The fourth proportional to 50,989.75, 70,353.13 and 30,575.02 is: 42,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,989.75 : 70,353.13 = 30,575.02 : x
  2. Step 2: Convert to fraction form
    50,989.75/70,353.13 = 30,575.02/x
  3. Step 3: Cross multiply
    50,989.75x = 70,353.13 × 30,575.02
  4. Step 4: Simplify right side
    50,989.75x = 2,151,048,379.72
  5. Step 5: Solve for x
    x = 2,151,048,379.72/50,989.75
  6. Step 6: Final answer
    x = 42,185.90

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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.