Home / 56,375.58-77,797.32-30,882.45

Finding the Fourth Proportional to 56,375.58, 77,797.32 and 30,882.45

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Solution

The fourth proportional to 56,375.58, 77,797.32 and 30,882.45 is: 42,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,375.58 : 77,797.32 = 30,882.45 : x
  2. Step 2: Convert to fraction form
    56,375.58/77,797.32 = 30,882.45/x
  3. Step 3: Cross multiply
    56,375.58x = 77,797.32 × 30,882.45
  4. Step 4: Simplify right side
    56,375.58x = 2,402,571,729.22
  5. Step 5: Solve for x
    x = 2,402,571,729.22/56,375.58
  6. Step 6: Final answer
    x = 42,617.24

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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.