Home / 51,035.44-70,427.64-28,680.88

Finding the Fourth Proportional to 51,035.44, 70,427.64 and 28,680.88

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Solution

The fourth proportional to 51,035.44, 70,427.64 and 28,680.88 is: 39,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,035.44 : 70,427.64 = 28,680.88 : x
  2. Step 2: Convert to fraction form
    51,035.44/70,427.64 = 28,680.88/x
  3. Step 3: Cross multiply
    51,035.44x = 70,427.64 × 28,680.88
  4. Step 4: Simplify right side
    51,035.44x = 2,019,926,691.52
  5. Step 5: Solve for x
    x = 2,019,926,691.52/51,035.44
  6. Step 6: Final answer
    x = 39,578.90

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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.