Home / 27,110.45-40,663.65-11,311.40

Finding the Fourth Proportional to 27,110.45, 40,663.65 and 11,311.40

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Solution

The fourth proportional to 27,110.45, 40,663.65 and 11,311.40 is: 16,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.45 : 40,663.65 = 11,311.40 : x
  2. Step 2: Convert to fraction form
    27,110.45/40,663.65 = 11,311.40/x
  3. Step 3: Cross multiply
    27,110.45x = 40,663.65 × 11,311.40
  4. Step 4: Simplify right side
    27,110.45x = 459,962,810.61
  5. Step 5: Solve for x
    x = 459,962,810.61/27,110.45
  6. Step 6: Final answer
    x = 16,966.26

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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.