Home / 57,214.33-85,710.80-32,178.31

Finding the Fourth Proportional to 57,214.33, 85,710.80 and 32,178.31

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Solution

The fourth proportional to 57,214.33, 85,710.80 and 32,178.31 is: 48,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.33 : 85,710.80 = 32,178.31 : x
  2. Step 2: Convert to fraction form
    57,214.33/85,710.80 = 32,178.31/x
  3. Step 3: Cross multiply
    57,214.33x = 85,710.80 × 32,178.31
  4. Step 4: Simplify right side
    57,214.33x = 2,758,028,531.86
  5. Step 5: Solve for x
    x = 2,758,028,531.86/57,214.33
  6. Step 6: Final answer
    x = 48,205.21

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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.