Home / 34,651.79-51,977.67-13,875.29

Finding the Fourth Proportional to 34,651.79, 51,977.67 and 13,875.29

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Solution

The fourth proportional to 34,651.79, 51,977.67 and 13,875.29 is: 20,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651.79 : 51,977.67 = 13,875.29 : x
  2. Step 2: Convert to fraction form
    34,651.79/51,977.67 = 13,875.29/x
  3. Step 3: Cross multiply
    34,651.79x = 51,977.67 × 13,875.29
  4. Step 4: Simplify right side
    34,651.79x = 721,204,984.89
  5. Step 5: Solve for x
    x = 721,204,984.89/34,651.79
  6. Step 6: Final answer
    x = 20,812.92

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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.