Home / 51,370.14-70,890.55-28,709.11

Finding the Fourth Proportional to 51,370.14, 70,890.55 and 28,709.11

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Solution

The fourth proportional to 51,370.14, 70,890.55 and 28,709.11 is: 39,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.14 : 70,890.55 = 28,709.11 : x
  2. Step 2: Convert to fraction form
    51,370.14/70,890.55 = 28,709.11/x
  3. Step 3: Cross multiply
    51,370.14x = 70,890.55 × 28,709.11
  4. Step 4: Simplify right side
    51,370.14x = 2,035,204,597.91
  5. Step 5: Solve for x
    x = 2,035,204,597.91/51,370.14
  6. Step 6: Final answer
    x = 39,618.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.