Home / 50,454.32-69,639-29,245.28

Finding the Fourth Proportional to 50,454.32, 69,639 and 29,245.28

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Solution

The fourth proportional to 50,454.32, 69,639 and 29,245.28 is: 40,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,454.32 : 69,639 = 29,245.28 : x
  2. Step 2: Convert to fraction form
    50,454.32/69,639 = 29,245.28/x
  3. Step 3: Cross multiply
    50,454.32x = 69,639 × 29,245.28
  4. Step 4: Simplify right side
    50,454.32x = 2,036,612,053.92
  5. Step 5: Solve for x
    x = 2,036,612,053.92/50,454.32
  6. Step 6: Final answer
    x = 40,365.46

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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.