Home / 51,037.24-70,433.74-28,378.56

Finding the Fourth Proportional to 51,037.24, 70,433.74 and 28,378.56

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Solution

The fourth proportional to 51,037.24, 70,433.74 and 28,378.56 is: 39,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,037.24 : 70,433.74 = 28,378.56 : x
  2. Step 2: Convert to fraction form
    51,037.24/70,433.74 = 28,378.56/x
  3. Step 3: Cross multiply
    51,037.24x = 70,433.74 × 28,378.56
  4. Step 4: Simplify right side
    51,037.24x = 1,998,807,974.72
  5. Step 5: Solve for x
    x = 1,998,807,974.72/51,037.24
  6. Step 6: Final answer
    x = 39,163.72

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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.