Home / 51,427.94-70,977.11-28,768.19

Finding the Fourth Proportional to 51,427.94, 70,977.11 and 28,768.19

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Solution

The fourth proportional to 51,427.94, 70,977.11 and 28,768.19 is: 39,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.94 : 70,977.11 = 28,768.19 : x
  2. Step 2: Convert to fraction form
    51,427.94/70,977.11 = 28,768.19/x
  3. Step 3: Cross multiply
    51,427.94x = 70,977.11 × 28,768.19
  4. Step 4: Simplify right side
    51,427.94x = 2,041,882,487.40
  5. Step 5: Solve for x
    x = 2,041,882,487.40/51,427.94
  6. Step 6: Final answer
    x = 39,703.76

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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.