Home / 50,920.34-76,388.97-21,340.40

Finding the Fourth Proportional to 50,920.34, 76,388.97 and 21,340.40

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Solution

The fourth proportional to 50,920.34, 76,388.97 and 21,340.40 is: 32,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.34 : 76,388.97 = 21,340.40 : x
  2. Step 2: Convert to fraction form
    50,920.34/76,388.97 = 21,340.40/x
  3. Step 3: Cross multiply
    50,920.34x = 76,388.97 × 21,340.40
  4. Step 4: Simplify right side
    50,920.34x = 1,630,171,175.39
  5. Step 5: Solve for x
    x = 1,630,171,175.39/50,920.34
  6. Step 6: Final answer
    x = 32,014.15

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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.