Home / 51,433.14-70,983.61-28,777.87

Finding the Fourth Proportional to 51,433.14, 70,983.61 and 28,777.87

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Solution

The fourth proportional to 51,433.14, 70,983.61 and 28,777.87 is: 39,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.14 : 70,983.61 = 28,777.87 : x
  2. Step 2: Convert to fraction form
    51,433.14/70,983.61 = 28,777.87/x
  3. Step 3: Cross multiply
    51,433.14x = 70,983.61 × 28,777.87
  4. Step 4: Simplify right side
    51,433.14x = 2,042,757,100.71
  5. Step 5: Solve for x
    x = 2,042,757,100.71/51,433.14
  6. Step 6: Final answer
    x = 39,716.75

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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.