Home / 50,491.89-75,735.09-15,428.79

Finding the Fourth Proportional to 50,491.89, 75,735.09 and 15,428.79

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Solution

The fourth proportional to 50,491.89, 75,735.09 and 15,428.79 is: 23,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,491.89 : 75,735.09 = 15,428.79 : x
  2. Step 2: Convert to fraction form
    50,491.89/75,735.09 = 15,428.79/x
  3. Step 3: Cross multiply
    50,491.89x = 75,735.09 × 15,428.79
  4. Step 4: Simplify right side
    50,491.89x = 1,168,500,799.24
  5. Step 5: Solve for x
    x = 1,168,500,799.24/50,491.89
  6. Step 6: Final answer
    x = 23,142.35

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1.5x scale

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.