Home / 57,370.67-86,053.27-21,840.15

Finding the Fourth Proportional to 57,370.67, 86,053.27 and 21,840.15

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Solution

The fourth proportional to 57,370.67, 86,053.27 and 21,840.15 is: 32,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,370.67 : 86,053.27 = 21,840.15 : x
  2. Step 2: Convert to fraction form
    57,370.67/86,053.27 = 21,840.15/x
  3. Step 3: Cross multiply
    57,370.67x = 86,053.27 × 21,840.15
  4. Step 4: Simplify right side
    57,370.67x = 1,879,416,324.79
  5. Step 5: Solve for x
    x = 1,879,416,324.79/57,370.67
  6. Step 6: Final answer
    x = 32,759.18

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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.