Home / 50,440.60-75,665.04-20,852.92

Finding the Fourth Proportional to 50,440.60, 75,665.04 and 20,852.92

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Solution

The fourth proportional to 50,440.60, 75,665.04 and 20,852.92 is: 31,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.60 : 75,665.04 = 20,852.92 : x
  2. Step 2: Convert to fraction form
    50,440.60/75,665.04 = 20,852.92/x
  3. Step 3: Cross multiply
    50,440.60x = 75,665.04 × 20,852.92
  4. Step 4: Simplify right side
    50,440.60x = 1,577,837,025.92
  5. Step 5: Solve for x
    x = 1,577,837,025.92/50,440.60
  6. Step 6: Final answer
    x = 31,281.09

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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.