Home / 42,745.33-64,129.80-17,797.10

Finding the Fourth Proportional to 42,745.33, 64,129.80 and 17,797.10

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Solution

The fourth proportional to 42,745.33, 64,129.80 and 17,797.10 is: 26,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745.33 : 64,129.80 = 17,797.10 : x
  2. Step 2: Convert to fraction form
    42,745.33/64,129.80 = 17,797.10/x
  3. Step 3: Cross multiply
    42,745.33x = 64,129.80 × 17,797.10
  4. Step 4: Simplify right side
    42,745.33x = 1,141,324,463.58
  5. Step 5: Solve for x
    x = 1,141,324,463.58/42,745.33
  6. Step 6: Final answer
    x = 26,700.57

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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.