Home / 56,134.92-77,467.14-30,642.60

Finding the Fourth Proportional to 56,134.92, 77,467.14 and 30,642.60

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Solution

The fourth proportional to 56,134.92, 77,467.14 and 30,642.60 is: 42,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,134.92 : 77,467.14 = 30,642.60 : x
  2. Step 2: Convert to fraction form
    56,134.92/77,467.14 = 30,642.60/x
  3. Step 3: Cross multiply
    56,134.92x = 77,467.14 × 30,642.60
  4. Step 4: Simplify right side
    56,134.92x = 2,373,794,584.16
  5. Step 5: Solve for x
    x = 2,373,794,584.16/56,134.92
  6. Step 6: Final answer
    x = 42,287.31

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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.