Home / 43,315.11-64,995.43-30,745.98

Finding the Fourth Proportional to 43,315.11, 64,995.43 and 30,745.98

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Solution

The fourth proportional to 43,315.11, 64,995.43 and 30,745.98 is: 46,135.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.11 : 64,995.43 = 30,745.98 : x
  2. Step 2: Convert to fraction form
    43,315.11/64,995.43 = 30,745.98/x
  3. Step 3: Cross multiply
    43,315.11x = 64,995.43 × 30,745.98
  4. Step 4: Simplify right side
    43,315.11x = 1,998,347,712.16
  5. Step 5: Solve for x
    x = 1,998,347,712.16/43,315.11
  6. Step 6: Final answer
    x = 46,135.12

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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.