Home / 40,153.23-55,437.46-25,819.49

Finding the Fourth Proportional to 40,153.23, 55,437.46 and 25,819.49

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Solution

The fourth proportional to 40,153.23, 55,437.46 and 25,819.49 is: 35,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.23 : 55,437.46 = 25,819.49 : x
  2. Step 2: Convert to fraction form
    40,153.23/55,437.46 = 25,819.49/x
  3. Step 3: Cross multiply
    40,153.23x = 55,437.46 × 25,819.49
  4. Step 4: Simplify right side
    40,153.23x = 1,431,367,018.14
  5. Step 5: Solve for x
    x = 1,431,367,018.14/40,153.23
  6. Step 6: Final answer
    x = 35,647.62

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1.5x scale

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.