Home / 50,819.28-76,215.15-21,230.93

Finding the Fourth Proportional to 50,819.28, 76,215.15 and 21,230.93

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Solution

The fourth proportional to 50,819.28, 76,215.15 and 21,230.93 is: 31,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,819.28 : 76,215.15 = 21,230.93 : x
  2. Step 2: Convert to fraction form
    50,819.28/76,215.15 = 21,230.93/x
  3. Step 3: Cross multiply
    50,819.28x = 76,215.15 × 21,230.93
  4. Step 4: Simplify right side
    50,819.28x = 1,618,118,133.51
  5. Step 5: Solve for x
    x = 1,618,118,133.51/50,819.28
  6. Step 6: Final answer
    x = 31,840.63

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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.