Home / 29,669.67-44,528.82-12,139.65

Finding the Fourth Proportional to 29,669.67, 44,528.82 and 12,139.65

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Solution

The fourth proportional to 29,669.67, 44,528.82 and 12,139.65 is: 18,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,669.67 : 44,528.82 = 12,139.65 : x
  2. Step 2: Convert to fraction form
    29,669.67/44,528.82 = 12,139.65/x
  3. Step 3: Cross multiply
    29,669.67x = 44,528.82 × 12,139.65
  4. Step 4: Simplify right side
    29,669.67x = 540,564,289.71
  5. Step 5: Solve for x
    x = 540,564,289.71/29,669.67
  6. Step 6: Final answer
    x = 18,219.42

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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.