Home / 57,780.63-79,734.60-33,927.75

Finding the Fourth Proportional to 57,780.63, 79,734.60 and 33,927.75

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Solution

The fourth proportional to 57,780.63, 79,734.60 and 33,927.75 is: 46,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.63 : 79,734.60 = 33,927.75 : x
  2. Step 2: Convert to fraction form
    57,780.63/79,734.60 = 33,927.75/x
  3. Step 3: Cross multiply
    57,780.63x = 79,734.60 × 33,927.75
  4. Step 4: Simplify right side
    57,780.63x = 2,705,215,575.15
  5. Step 5: Solve for x
    x = 2,705,215,575.15/57,780.63
  6. Step 6: Final answer
    x = 46,818.73

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1.5x scale

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.