Home / 51,436.84-77,085.21-28,958.25

Finding the Fourth Proportional to 51,436.84, 77,085.21 and 28,958.25

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Solution

The fourth proportional to 51,436.84, 77,085.21 and 28,958.25 is: 43,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.84 : 77,085.21 = 28,958.25 : x
  2. Step 2: Convert to fraction form
    51,436.84/77,085.21 = 28,958.25/x
  3. Step 3: Cross multiply
    51,436.84x = 77,085.21 × 28,958.25
  4. Step 4: Simplify right side
    51,436.84x = 2,232,252,782.48
  5. Step 5: Solve for x
    x = 2,232,252,782.48/51,436.84
  6. Step 6: Final answer
    x = 43,397.94

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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.