Home / 51,163.94-70,587.51-31,006.28

Finding the Fourth Proportional to 51,163.94, 70,587.51 and 31,006.28

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Solution

The fourth proportional to 51,163.94, 70,587.51 and 31,006.28 is: 42,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,163.94 : 70,587.51 = 31,006.28 : x
  2. Step 2: Convert to fraction form
    51,163.94/70,587.51 = 31,006.28/x
  3. Step 3: Cross multiply
    51,163.94x = 70,587.51 × 31,006.28
  4. Step 4: Simplify right side
    51,163.94x = 2,188,656,099.56
  5. Step 5: Solve for x
    x = 2,188,656,099.56/51,163.94
  6. Step 6: Final answer
    x = 42,777.32

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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.