Home / 50,234.32-75,317.40-20,643.60

Finding the Fourth Proportional to 50,234.32, 75,317.40 and 20,643.60

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Solution

The fourth proportional to 50,234.32, 75,317.40 and 20,643.60 is: 30,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,234.32 : 75,317.40 = 20,643.60 : x
  2. Step 2: Convert to fraction form
    50,234.32/75,317.40 = 20,643.60/x
  3. Step 3: Cross multiply
    50,234.32x = 75,317.40 × 20,643.60
  4. Step 4: Simplify right side
    50,234.32x = 1,554,822,278.64
  5. Step 5: Solve for x
    x = 1,554,822,278.64/50,234.32
  6. Step 6: Final answer
    x = 30,951.39

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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.