Home / 43,916.24-65,885.16-12,751.76

Finding the Fourth Proportional to 43,916.24, 65,885.16 and 12,751.76

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Solution

The fourth proportional to 43,916.24, 65,885.16 and 12,751.76 is: 19,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,916.24 : 65,885.16 = 12,751.76 : x
  2. Step 2: Convert to fraction form
    43,916.24/65,885.16 = 12,751.76/x
  3. Step 3: Cross multiply
    43,916.24x = 65,885.16 × 12,751.76
  4. Step 4: Simplify right side
    43,916.24x = 840,151,747.88
  5. Step 5: Solve for x
    x = 840,151,747.88/43,916.24
  6. Step 6: Final answer
    x = 19,130.78

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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.