Home / 50,505.26-75,731.09-15,435.50

Finding the Fourth Proportional to 50,505.26, 75,731.09 and 15,435.50

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Solution

The fourth proportional to 50,505.26, 75,731.09 and 15,435.50 is: 23,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,505.26 : 75,731.09 = 15,435.50 : x
  2. Step 2: Convert to fraction form
    50,505.26/75,731.09 = 15,435.50/x
  3. Step 3: Cross multiply
    50,505.26x = 75,731.09 × 15,435.50
  4. Step 4: Simplify right side
    50,505.26x = 1,168,946,783.86
  5. Step 5: Solve for x
    x = 1,168,946,783.86/50,505.26
  6. Step 6: Final answer
    x = 23,145.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.