Home / 57,721.31-79,628.06-37,570.84

Finding the Fourth Proportional to 57,721.31, 79,628.06 and 37,570.84

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Solution

The fourth proportional to 57,721.31, 79,628.06 and 37,570.84 is: 51,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.31 : 79,628.06 = 37,570.84 : x
  2. Step 2: Convert to fraction form
    57,721.31/79,628.06 = 37,570.84/x
  3. Step 3: Cross multiply
    57,721.31x = 79,628.06 × 37,570.84
  4. Step 4: Simplify right side
    57,721.31x = 2,991,692,996.63
  5. Step 5: Solve for x
    x = 2,991,692,996.63/57,721.31
  6. Step 6: Final answer
    x = 51,829.96

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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.