Home / 52,819.28-79,228.16-12,838.56

Finding the Fourth Proportional to 52,819.28, 79,228.16 and 12,838.56

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Solution

The fourth proportional to 52,819.28, 79,228.16 and 12,838.56 is: 19,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,819.28 : 79,228.16 = 12,838.56 : x
  2. Step 2: Convert to fraction form
    52,819.28/79,228.16 = 12,838.56/x
  3. Step 3: Cross multiply
    52,819.28x = 79,228.16 × 12,838.56
  4. Step 4: Simplify right side
    52,819.28x = 1,017,175,485.85
  5. Step 5: Solve for x
    x = 1,017,175,485.85/52,819.28
  6. Step 6: Final answer
    x = 19,257.66

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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.