Home / 51,947.34-71,670.45-31,783.20

Finding the Fourth Proportional to 51,947.34, 71,670.45 and 31,783.20

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Solution

The fourth proportional to 51,947.34, 71,670.45 and 31,783.20 is: 43,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,947.34 : 71,670.45 = 31,783.20 : x
  2. Step 2: Convert to fraction form
    51,947.34/71,670.45 = 31,783.20/x
  3. Step 3: Cross multiply
    51,947.34x = 71,670.45 × 31,783.20
  4. Step 4: Simplify right side
    51,947.34x = 2,277,916,246.44
  5. Step 5: Solve for x
    x = 2,277,916,246.44/51,947.34
  6. Step 6: Final answer
    x = 43,850.49

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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.