Home / 50,941.20-76,411.80-21,351.12

Finding the Fourth Proportional to 50,941.20, 76,411.80 and 21,351.12

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Solution

The fourth proportional to 50,941.20, 76,411.80 and 21,351.12 is: 32,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,941.20 : 76,411.80 = 21,351.12 : x
  2. Step 2: Convert to fraction form
    50,941.20/76,411.80 = 21,351.12/x
  3. Step 3: Cross multiply
    50,941.20x = 76,411.80 × 21,351.12
  4. Step 4: Simplify right side
    50,941.20x = 1,631,477,511.22
  5. Step 5: Solve for x
    x = 1,631,477,511.22/50,941.20
  6. Step 6: Final answer
    x = 32,026.68

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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.