Home / 31,144.23-46,719.05-8,959.41

Finding the Fourth Proportional to 31,144.23, 46,719.05 and 8,959.41

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Solution

The fourth proportional to 31,144.23, 46,719.05 and 8,959.41 is: 13,439.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.23 : 46,719.05 = 8,959.41 : x
  2. Step 2: Convert to fraction form
    31,144.23/46,719.05 = 8,959.41/x
  3. Step 3: Cross multiply
    31,144.23x = 46,719.05 × 8,959.41
  4. Step 4: Simplify right side
    31,144.23x = 418,575,123.76
  5. Step 5: Solve for x
    x = 418,575,123.76/31,144.23
  6. Step 6: Final answer
    x = 13,439.89

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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.