Home / 56,040.41-77,335.26-30,546.78

Finding the Fourth Proportional to 56,040.41, 77,335.26 and 30,546.78

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Solution

The fourth proportional to 56,040.41, 77,335.26 and 30,546.78 is: 42,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,040.41 : 77,335.26 = 30,546.78 : x
  2. Step 2: Convert to fraction form
    56,040.41/77,335.26 = 30,546.78/x
  3. Step 3: Cross multiply
    56,040.41x = 77,335.26 × 30,546.78
  4. Step 4: Simplify right side
    56,040.41x = 2,362,342,634.05
  5. Step 5: Solve for x
    x = 2,362,342,634.05/56,040.41
  6. Step 6: Final answer
    x = 42,154.27

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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.