Home / 50,490.72-69,705.06-30,352.44

Finding the Fourth Proportional to 50,490.72, 69,705.06 and 30,352.44

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Solution

The fourth proportional to 50,490.72, 69,705.06 and 30,352.44 is: 41,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,490.72 : 69,705.06 = 30,352.44 : x
  2. Step 2: Convert to fraction form
    50,490.72/69,705.06 = 30,352.44/x
  3. Step 3: Cross multiply
    50,490.72x = 69,705.06 × 30,352.44
  4. Step 4: Simplify right side
    50,490.72x = 2,115,718,651.35
  5. Step 5: Solve for x
    x = 2,115,718,651.35/50,490.72
  6. Step 6: Final answer
    x = 41,903.12

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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.