Home / 43,932.91-65,898.78-10,653.28

Finding the Fourth Proportional to 43,932.91, 65,898.78 and 10,653.28

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Solution

The fourth proportional to 43,932.91, 65,898.78 and 10,653.28 is: 15,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,932.91 : 65,898.78 = 10,653.28 : x
  2. Step 2: Convert to fraction form
    43,932.91/65,898.78 = 10,653.28/x
  3. Step 3: Cross multiply
    43,932.91x = 65,898.78 × 10,653.28
  4. Step 4: Simplify right side
    43,932.91x = 702,038,155.00
  5. Step 5: Solve for x
    x = 702,038,155.00/43,932.91
  6. Step 6: Final answer
    x = 15,979.78

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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.