Home / 50,318.72-75,512.02-20,735.90

Finding the Fourth Proportional to 50,318.72, 75,512.02 and 20,735.90

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Solution

The fourth proportional to 50,318.72, 75,512.02 and 20,735.90 is: 31,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.72 : 75,512.02 = 20,735.90 : x
  2. Step 2: Convert to fraction form
    50,318.72/75,512.02 = 20,735.90/x
  3. Step 3: Cross multiply
    50,318.72x = 75,512.02 × 20,735.90
  4. Step 4: Simplify right side
    50,318.72x = 1,565,809,214.28
  5. Step 5: Solve for x
    x = 1,565,809,214.28/50,318.72
  6. Step 6: Final answer
    x = 31,117.83

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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.