Home / 51,261.80-76,892.70-42,951.20

Finding the Fourth Proportional to 51,261.80, 76,892.70 and 42,951.20

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Solution

The fourth proportional to 51,261.80, 76,892.70 and 42,951.20 is: 64,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.80 : 76,892.70 = 42,951.20 : x
  2. Step 2: Convert to fraction form
    51,261.80/76,892.70 = 42,951.20/x
  3. Step 3: Cross multiply
    51,261.80x = 76,892.70 × 42,951.20
  4. Step 4: Simplify right side
    51,261.80x = 3,302,633,736.24
  5. Step 5: Solve for x
    x = 3,302,633,736.24/51,261.80
  6. Step 6: Final answer
    x = 64,426.80

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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.