Home / 50,369.12-69,507.96-28,013.12

Finding the Fourth Proportional to 50,369.12, 69,507.96 and 28,013.12

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Solution

The fourth proportional to 50,369.12, 69,507.96 and 28,013.12 is: 38,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,369.12 : 69,507.96 = 28,013.12 : x
  2. Step 2: Convert to fraction form
    50,369.12/69,507.96 = 28,013.12/x
  3. Step 3: Cross multiply
    50,369.12x = 69,507.96 × 28,013.12
  4. Step 4: Simplify right side
    50,369.12x = 1,947,134,824.44
  5. Step 5: Solve for x
    x = 1,947,134,824.44/50,369.12
  6. Step 6: Final answer
    x = 38,657.31

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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.