Home / 48,674.07-67,135.57-31,646.75

Finding the Fourth Proportional to 48,674.07, 67,135.57 and 31,646.75

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Solution

The fourth proportional to 48,674.07, 67,135.57 and 31,646.75 is: 43,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,674.07 : 67,135.57 = 31,646.75 : x
  2. Step 2: Convert to fraction form
    48,674.07/67,135.57 = 31,646.75/x
  3. Step 3: Cross multiply
    48,674.07x = 67,135.57 × 31,646.75
  4. Step 4: Simplify right side
    48,674.07x = 2,124,622,185.10
  5. Step 5: Solve for x
    x = 2,124,622,185.10/48,674.07
  6. Step 6: Final answer
    x = 43,649.98

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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.