Home / 37,643.66-51,947.88-20,647.56

Finding the Fourth Proportional to 37,643.66, 51,947.88 and 20,647.56

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Solution

The fourth proportional to 37,643.66, 51,947.88 and 20,647.56 is: 28,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643.66 : 51,947.88 = 20,647.56 : x
  2. Step 2: Convert to fraction form
    37,643.66/51,947.88 = 20,647.56/x
  3. Step 3: Cross multiply
    37,643.66x = 51,947.88 × 20,647.56
  4. Step 4: Simplify right side
    37,643.66x = 1,072,596,969.17
  5. Step 5: Solve for x
    x = 1,072,596,969.17/37,643.66
  6. Step 6: Final answer
    x = 28,493.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.