Home / 51,504.84-77,257.26-28,118.52

Finding the Fourth Proportional to 51,504.84, 77,257.26 and 28,118.52

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Solution

The fourth proportional to 51,504.84, 77,257.26 and 28,118.52 is: 42,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,504.84 : 77,257.26 = 28,118.52 : x
  2. Step 2: Convert to fraction form
    51,504.84/77,257.26 = 28,118.52/x
  3. Step 3: Cross multiply
    51,504.84x = 77,257.26 × 28,118.52
  4. Step 4: Simplify right side
    51,504.84x = 2,172,359,810.46
  5. Step 5: Solve for x
    x = 2,172,359,810.46/51,504.84
  6. Step 6: Final answer
    x = 42,177.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.