Home / 29,779.18-44,668.20-12,009.47

Finding the Fourth Proportional to 29,779.18, 44,668.20 and 12,009.47

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Solution

The fourth proportional to 29,779.18, 44,668.20 and 12,009.47 is: 18,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,779.18 : 44,668.20 = 12,009.47 : x
  2. Step 2: Convert to fraction form
    29,779.18/44,668.20 = 12,009.47/x
  3. Step 3: Cross multiply
    29,779.18x = 44,668.20 × 12,009.47
  4. Step 4: Simplify right side
    29,779.18x = 536,441,229.55
  5. Step 5: Solve for x
    x = 536,441,229.55/29,779.18
  6. Step 6: Final answer
    x = 18,013.97

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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.