Home / 40,153.20-55,420.68-26,725

Finding the Fourth Proportional to 40,153.20, 55,420.68 and 26,725

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Solution

The fourth proportional to 40,153.20, 55,420.68 and 26,725 is: 36,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.20 : 55,420.68 = 26,725 : x
  2. Step 2: Convert to fraction form
    40,153.20/55,420.68 = 26,725/x
  3. Step 3: Cross multiply
    40,153.20x = 55,420.68 × 26,725
  4. Step 4: Simplify right side
    40,153.20x = 1,481,117,673
  5. Step 5: Solve for x
    x = 1,481,117,673/40,153.20
  6. Step 6: Final answer
    x = 36,886.67

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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.