Home / 57,091.02-85,511.70-28,962.60

Finding the Fourth Proportional to 57,091.02, 85,511.70 and 28,962.60

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Solution

The fourth proportional to 57,091.02, 85,511.70 and 28,962.60 is: 43,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.02 : 85,511.70 = 28,962.60 : x
  2. Step 2: Convert to fraction form
    57,091.02/85,511.70 = 28,962.60/x
  3. Step 3: Cross multiply
    57,091.02x = 85,511.70 × 28,962.60
  4. Step 4: Simplify right side
    57,091.02x = 2,476,641,162.42
  5. Step 5: Solve for x
    x = 2,476,641,162.42/57,091.02
  6. Step 6: Final answer
    x = 43,380.57

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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.