Home / 57,947.96-79,965.42-35,587.64

Finding the Fourth Proportional to 57,947.96, 79,965.42 and 35,587.64

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Solution

The fourth proportional to 57,947.96, 79,965.42 and 35,587.64 is: 49,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,947.96 : 79,965.42 = 35,587.64 : x
  2. Step 2: Convert to fraction form
    57,947.96/79,965.42 = 35,587.64/x
  3. Step 3: Cross multiply
    57,947.96x = 79,965.42 × 35,587.64
  4. Step 4: Simplify right side
    57,947.96x = 2,845,780,579.41
  5. Step 5: Solve for x
    x = 2,845,780,579.41/57,947.96
  6. Step 6: Final answer
    x = 49,109.25

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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.