Home / 50,819.32-76,212.82-47,502.40

Finding the Fourth Proportional to 50,819.32, 76,212.82 and 47,502.40

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Solution

The fourth proportional to 50,819.32, 76,212.82 and 47,502.40 is: 71,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,819.32 : 76,212.82 = 47,502.40 : x
  2. Step 2: Convert to fraction form
    50,819.32/76,212.82 = 47,502.40/x
  3. Step 3: Cross multiply
    50,819.32x = 76,212.82 × 47,502.40
  4. Step 4: Simplify right side
    50,819.32x = 3,620,291,860.77
  5. Step 5: Solve for x
    x = 3,620,291,860.77/50,819.32
  6. Step 6: Final answer
    x = 71,238.49

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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.