Home / 50,555.28-69,772.48-30,422.64

Finding the Fourth Proportional to 50,555.28, 69,772.48 and 30,422.64

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Solution

The fourth proportional to 50,555.28, 69,772.48 and 30,422.64 is: 41,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,555.28 : 69,772.48 = 30,422.64 : x
  2. Step 2: Convert to fraction form
    50,555.28/69,772.48 = 30,422.64/x
  3. Step 3: Cross multiply
    50,555.28x = 69,772.48 × 30,422.64
  4. Step 4: Simplify right side
    50,555.28x = 2,122,663,040.95
  5. Step 5: Solve for x
    x = 2,122,663,040.95/50,555.28
  6. Step 6: Final answer
    x = 41,986.97

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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.