Home / 29,790.72-44,645.76-11,312.64

Finding the Fourth Proportional to 29,790.72, 44,645.76 and 11,312.64

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Solution

The fourth proportional to 29,790.72, 44,645.76 and 11,312.64 is: 16,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,790.72 : 44,645.76 = 11,312.64 : x
  2. Step 2: Convert to fraction form
    29,790.72/44,645.76 = 11,312.64/x
  3. Step 3: Cross multiply
    29,790.72x = 44,645.76 × 11,312.64
  4. Step 4: Simplify right side
    29,790.72x = 505,061,410.41
  5. Step 5: Solve for x
    x = 505,061,410.41/29,790.72
  6. Step 6: Final answer
    x = 16,953.65

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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.