Home / 51,126.70-76,801.86-36,430.06

Finding the Fourth Proportional to 51,126.70, 76,801.86 and 36,430.06

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Solution

The fourth proportional to 51,126.70, 76,801.86 and 36,430.06 is: 54,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,126.70 : 76,801.86 = 36,430.06 : x
  2. Step 2: Convert to fraction form
    51,126.70/76,801.86 = 36,430.06/x
  3. Step 3: Cross multiply
    51,126.70x = 76,801.86 × 36,430.06
  4. Step 4: Simplify right side
    51,126.70x = 2,797,896,367.91
  5. Step 5: Solve for x
    x = 2,797,896,367.91/51,126.70
  6. Step 6: Final answer
    x = 54,724.76

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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.