Home / 51,981.31-77,932.32-43,069.29

Finding the Fourth Proportional to 51,981.31, 77,932.32 and 43,069.29

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Solution

The fourth proportional to 51,981.31, 77,932.32 and 43,069.29 is: 64,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.31 : 77,932.32 = 43,069.29 : x
  2. Step 2: Convert to fraction form
    51,981.31/77,932.32 = 43,069.29/x
  3. Step 3: Cross multiply
    51,981.31x = 77,932.32 × 43,069.29
  4. Step 4: Simplify right side
    51,981.31x = 3,356,489,690.45
  5. Step 5: Solve for x
    x = 3,356,489,690.45/51,981.31
  6. Step 6: Final answer
    x = 64,571.09

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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.