Home / 57,305.42-86,012.84-35,162.05

Finding the Fourth Proportional to 57,305.42, 86,012.84 and 35,162.05

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Solution

The fourth proportional to 57,305.42, 86,012.84 and 35,162.05 is: 52,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,305.42 : 86,012.84 = 35,162.05 : x
  2. Step 2: Convert to fraction form
    57,305.42/86,012.84 = 35,162.05/x
  3. Step 3: Cross multiply
    57,305.42x = 86,012.84 × 35,162.05
  4. Step 4: Simplify right side
    57,305.42x = 3,024,387,780.72
  5. Step 5: Solve for x
    x = 3,024,387,780.72/57,305.42
  6. Step 6: Final answer
    x = 52,776.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.