Home / 51,037.05-70,427.90-28,375.63

Finding the Fourth Proportional to 51,037.05, 70,427.90 and 28,375.63

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Solution

The fourth proportional to 51,037.05, 70,427.90 and 28,375.63 is: 39,156.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,037.05 : 70,427.90 = 28,375.63 : x
  2. Step 2: Convert to fraction form
    51,037.05/70,427.90 = 28,375.63/x
  3. Step 3: Cross multiply
    51,037.05x = 70,427.90 × 28,375.63
  4. Step 4: Simplify right side
    51,037.05x = 1,998,436,163.49
  5. Step 5: Solve for x
    x = 1,998,436,163.49/51,037.05
  6. Step 6: Final answer
    x = 39,156.57

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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.