Home / 44,106.36-66,161.70-12,939

Finding the Fourth Proportional to 44,106.36, 66,161.70 and 12,939

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Solution

The fourth proportional to 44,106.36, 66,161.70 and 12,939 is: 19,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,106.36 : 66,161.70 = 12,939 : x
  2. Step 2: Convert to fraction form
    44,106.36/66,161.70 = 12,939/x
  3. Step 3: Cross multiply
    44,106.36x = 66,161.70 × 12,939
  4. Step 4: Simplify right side
    44,106.36x = 856,066,236.30
  5. Step 5: Solve for x
    x = 856,066,236.30/44,106.36
  6. Step 6: Final answer
    x = 19,409.13

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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.