Home / 40,988.88-61,442.27-15,994.54

Finding the Fourth Proportional to 40,988.88, 61,442.27 and 15,994.54

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Solution

The fourth proportional to 40,988.88, 61,442.27 and 15,994.54 is: 23,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,988.88 : 61,442.27 = 15,994.54 : x
  2. Step 2: Convert to fraction form
    40,988.88/61,442.27 = 15,994.54/x
  3. Step 3: Cross multiply
    40,988.88x = 61,442.27 × 15,994.54
  4. Step 4: Simplify right side
    40,988.88x = 982,740,845.21
  5. Step 5: Solve for x
    x = 982,740,845.21/40,988.88
  6. Step 6: Final answer
    x = 23,975.79

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1.5x scale

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.