Home / 43,938.91-65,913.23-12,776.59

Finding the Fourth Proportional to 43,938.91, 65,913.23 and 12,776.59

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Solution

The fourth proportional to 43,938.91, 65,913.23 and 12,776.59 is: 19,166.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,938.91 : 65,913.23 = 12,776.59 : x
  2. Step 2: Convert to fraction form
    43,938.91/65,913.23 = 12,776.59/x
  3. Step 3: Cross multiply
    43,938.91x = 65,913.23 × 12,776.59
  4. Step 4: Simplify right side
    43,938.91x = 842,146,315.29
  5. Step 5: Solve for x
    x = 842,146,315.29/43,938.91
  6. Step 6: Final answer
    x = 19,166.30

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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.