Home / 34,450.89-51,686.06-13,688.97

Finding the Fourth Proportional to 34,450.89, 51,686.06 and 13,688.97

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Solution

The fourth proportional to 34,450.89, 51,686.06 and 13,688.97 is: 20,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,450.89 : 51,686.06 = 13,688.97 : x
  2. Step 2: Convert to fraction form
    34,450.89/51,686.06 = 13,688.97/x
  3. Step 3: Cross multiply
    34,450.89x = 51,686.06 × 13,688.97
  4. Step 4: Simplify right side
    34,450.89x = 707,528,856.31
  5. Step 5: Solve for x
    x = 707,528,856.31/34,450.89
  6. Step 6: Final answer
    x = 20,537.32

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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.