Home / 65,815.14-98,686.24-30,735.66

Finding the Fourth Proportional to 65,815.14, 98,686.24 and 30,735.66

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Solution

The fourth proportional to 65,815.14, 98,686.24 and 30,735.66 is: 46,086.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.14 : 98,686.24 = 30,735.66 : x
  2. Step 2: Convert to fraction form
    65,815.14/98,686.24 = 30,735.66/x
  3. Step 3: Cross multiply
    65,815.14x = 98,686.24 × 30,735.66
  4. Step 4: Simplify right side
    65,815.14x = 3,033,186,719.32
  5. Step 5: Solve for x
    x = 3,033,186,719.32/65,815.14
  6. Step 6: Final answer
    x = 46,086.46

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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.