Home / 50,808.20-76,214.40-19,215.16

Finding the Fourth Proportional to 50,808.20, 76,214.40 and 19,215.16

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Solution

The fourth proportional to 50,808.20, 76,214.40 and 19,215.16 is: 28,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,808.20 : 76,214.40 = 19,215.16 : x
  2. Step 2: Convert to fraction form
    50,808.20/76,214.40 = 19,215.16/x
  3. Step 3: Cross multiply
    50,808.20x = 76,214.40 × 19,215.16
  4. Step 4: Simplify right side
    50,808.20x = 1,464,471,890.30
  5. Step 5: Solve for x
    x = 1,464,471,890.30/50,808.20
  6. Step 6: Final answer
    x = 28,823.53

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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.