Home / 50,334.45-75,510.79-20,735.84

Finding the Fourth Proportional to 50,334.45, 75,510.79 and 20,735.84

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Solution

The fourth proportional to 50,334.45, 75,510.79 and 20,735.84 is: 31,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,334.45 : 75,510.79 = 20,735.84 : x
  2. Step 2: Convert to fraction form
    50,334.45/75,510.79 = 20,735.84/x
  3. Step 3: Cross multiply
    50,334.45x = 75,510.79 × 20,735.84
  4. Step 4: Simplify right side
    50,334.45x = 1,565,779,178.48
  5. Step 5: Solve for x
    x = 1,565,779,178.48/50,334.45
  6. Step 6: Final answer
    x = 31,107.51

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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.