Home / 31,535.28-43,518.66-17,389.02

Finding the Fourth Proportional to 31,535.28, 43,518.66 and 17,389.02

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Solution

The fourth proportional to 31,535.28, 43,518.66 and 17,389.02 is: 23,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.28 : 43,518.66 = 17,389.02 : x
  2. Step 2: Convert to fraction form
    31,535.28/43,518.66 = 17,389.02/x
  3. Step 3: Cross multiply
    31,535.28x = 43,518.66 × 17,389.02
  4. Step 4: Simplify right side
    31,535.28x = 756,746,849.11
  5. Step 5: Solve for x
    x = 756,746,849.11/31,535.28
  6. Step 6: Final answer
    x = 23,996.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.