Home / 51,049.62-70,449.09-28,693.14

Finding the Fourth Proportional to 51,049.62, 70,449.09 and 28,693.14

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Solution

The fourth proportional to 51,049.62, 70,449.09 and 28,693.14 is: 39,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.62 : 70,449.09 = 28,693.14 : x
  2. Step 2: Convert to fraction form
    51,049.62/70,449.09 = 28,693.14/x
  3. Step 3: Cross multiply
    51,049.62x = 70,449.09 × 28,693.14
  4. Step 4: Simplify right side
    51,049.62x = 2,021,405,602.24
  5. Step 5: Solve for x
    x = 2,021,405,602.24/51,049.62
  6. Step 6: Final answer
    x = 39,596.88

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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.