Home / 57,479.22-79,324.31-31,985.69

Finding the Fourth Proportional to 57,479.22, 79,324.31 and 31,985.69

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Solution

The fourth proportional to 57,479.22, 79,324.31 and 31,985.69 is: 44,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,479.22 : 79,324.31 = 31,985.69 : x
  2. Step 2: Convert to fraction form
    57,479.22/79,324.31 = 31,985.69/x
  3. Step 3: Cross multiply
    57,479.22x = 79,324.31 × 31,985.69
  4. Step 4: Simplify right side
    57,479.22x = 2,537,242,472.47
  5. Step 5: Solve for x
    x = 2,537,242,472.47/57,479.22
  6. Step 6: Final answer
    x = 44,141.91

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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.