Home / 51,194.21-70,648.35-28,534.65

Finding the Fourth Proportional to 51,194.21, 70,648.35 and 28,534.65

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Solution

The fourth proportional to 51,194.21, 70,648.35 and 28,534.65 is: 39,378.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.21 : 70,648.35 = 28,534.65 : x
  2. Step 2: Convert to fraction form
    51,194.21/70,648.35 = 28,534.65/x
  3. Step 3: Cross multiply
    51,194.21x = 70,648.35 × 28,534.65
  4. Step 4: Simplify right side
    51,194.21x = 2,015,926,234.71
  5. Step 5: Solve for x
    x = 2,015,926,234.71/51,194.21
  6. Step 6: Final answer
    x = 39,378.02

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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.