Home / 50,004.10-75,014.79-20,438.02

Finding the Fourth Proportional to 50,004.10, 75,014.79 and 20,438.02

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Solution

The fourth proportional to 50,004.10, 75,014.79 and 20,438.02 is: 30,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,004.10 : 75,014.79 = 20,438.02 : x
  2. Step 2: Convert to fraction form
    50,004.10/75,014.79 = 20,438.02/x
  3. Step 3: Cross multiply
    50,004.10x = 75,014.79 × 20,438.02
  4. Step 4: Simplify right side
    50,004.10x = 1,533,153,778.32
  5. Step 5: Solve for x
    x = 1,533,153,778.32/50,004.10
  6. Step 6: Final answer
    x = 30,660.56

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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.