Home / 66,431.26-99,600.18-30,854.81

Finding the Fourth Proportional to 66,431.26, 99,600.18 and 30,854.81

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Solution

The fourth proportional to 66,431.26, 99,600.18 and 30,854.81 is: 46,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431.26 : 99,600.18 = 30,854.81 : x
  2. Step 2: Convert to fraction form
    66,431.26/99,600.18 = 30,854.81/x
  3. Step 3: Cross multiply
    66,431.26x = 99,600.18 × 30,854.81
  4. Step 4: Simplify right side
    66,431.26x = 3,073,144,629.87
  5. Step 5: Solve for x
    x = 3,073,144,629.87/66,431.26
  6. Step 6: Final answer
    x = 46,260.52

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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.