Home / 51,620.49-77,430.53-34,086.15

Finding the Fourth Proportional to 51,620.49, 77,430.53 and 34,086.15

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Solution

The fourth proportional to 51,620.49, 77,430.53 and 34,086.15 is: 51,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.49 : 77,430.53 = 34,086.15 : x
  2. Step 2: Convert to fraction form
    51,620.49/77,430.53 = 34,086.15/x
  3. Step 3: Cross multiply
    51,620.49x = 77,430.53 × 34,086.15
  4. Step 4: Simplify right side
    51,620.49x = 2,639,308,489.73
  5. Step 5: Solve for x
    x = 2,639,308,489.73/51,620.49
  6. Step 6: Final answer
    x = 51,129.09

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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.