Home / 57,292.89-79,078.73-39,150.96

Finding the Fourth Proportional to 57,292.89, 79,078.73 and 39,150.96

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Solution

The fourth proportional to 57,292.89, 79,078.73 and 39,150.96 is: 54,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,292.89 : 79,078.73 = 39,150.96 : x
  2. Step 2: Convert to fraction form
    57,292.89/79,078.73 = 39,150.96/x
  3. Step 3: Cross multiply
    57,292.89x = 79,078.73 × 39,150.96
  4. Step 4: Simplify right side
    57,292.89x = 3,096,008,195.08
  5. Step 5: Solve for x
    x = 3,096,008,195.08/57,292.89
  6. Step 6: Final answer
    x = 54,038.26

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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.