Home / 50,205.06-69,355.05-40,120.29

Finding the Fourth Proportional to 50,205.06, 69,355.05 and 40,120.29

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Solution

The fourth proportional to 50,205.06, 69,355.05 and 40,120.29 is: 55,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,205.06 : 69,355.05 = 40,120.29 : x
  2. Step 2: Convert to fraction form
    50,205.06/69,355.05 = 40,120.29/x
  3. Step 3: Cross multiply
    50,205.06x = 69,355.05 × 40,120.29
  4. Step 4: Simplify right side
    50,205.06x = 2,782,544,718.96
  5. Step 5: Solve for x
    x = 2,782,544,718.96/50,205.06
  6. Step 6: Final answer
    x = 55,423.59

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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.