Home / 57,355.17-79,150.68-31,514.26

Finding the Fourth Proportional to 57,355.17, 79,150.68 and 31,514.26

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Solution

The fourth proportional to 57,355.17, 79,150.68 and 31,514.26 is: 43,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,355.17 : 79,150.68 = 31,514.26 : x
  2. Step 2: Convert to fraction form
    57,355.17/79,150.68 = 31,514.26/x
  3. Step 3: Cross multiply
    57,355.17x = 79,150.68 × 31,514.26
  4. Step 4: Simplify right side
    57,355.17x = 2,494,374,555.37
  5. Step 5: Solve for x
    x = 2,494,374,555.37/57,355.17
  6. Step 6: Final answer
    x = 43,489.97

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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.