Home / 30,731.81-46,082.26-17,913.10

Finding the Fourth Proportional to 30,731.81, 46,082.26 and 17,913.10

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Solution

The fourth proportional to 30,731.81, 46,082.26 and 17,913.10 is: 26,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731.81 : 46,082.26 = 17,913.10 : x
  2. Step 2: Convert to fraction form
    30,731.81/46,082.26 = 17,913.10/x
  3. Step 3: Cross multiply
    30,731.81x = 46,082.26 × 17,913.10
  4. Step 4: Simplify right side
    30,731.81x = 825,476,131.61
  5. Step 5: Solve for x
    x = 825,476,131.61/30,731.81
  6. Step 6: Final answer
    x = 26,860.64

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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.