Home / 31,270.64-46,911.28-11,549.28

Finding the Fourth Proportional to 31,270.64, 46,911.28 and 11,549.28

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Solution

The fourth proportional to 31,270.64, 46,911.28 and 11,549.28 is: 17,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.64 : 46,911.28 = 11,549.28 : x
  2. Step 2: Convert to fraction form
    31,270.64/46,911.28 = 11,549.28/x
  3. Step 3: Cross multiply
    31,270.64x = 46,911.28 × 11,549.28
  4. Step 4: Simplify right side
    31,270.64x = 541,791,507.88
  5. Step 5: Solve for x
    x = 541,791,507.88/31,270.64
  6. Step 6: Final answer
    x = 17,325.88

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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.