Home / 46,639.89-64,361.17-25,418.70

Finding the Fourth Proportional to 46,639.89, 64,361.17 and 25,418.70

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Solution

The fourth proportional to 46,639.89, 64,361.17 and 25,418.70 is: 35,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,639.89 : 64,361.17 = 25,418.70 : x
  2. Step 2: Convert to fraction form
    46,639.89/64,361.17 = 25,418.70/x
  3. Step 3: Cross multiply
    46,639.89x = 64,361.17 × 25,418.70
  4. Step 4: Simplify right side
    46,639.89x = 1,635,977,271.88
  5. Step 5: Solve for x
    x = 1,635,977,271.88/46,639.89
  6. Step 6: Final answer
    x = 35,076.78

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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.