Home / 49,773.12-68,698.08-31,629.12

Finding the Fourth Proportional to 49,773.12, 68,698.08 and 31,629.12

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Solution

The fourth proportional to 49,773.12, 68,698.08 and 31,629.12 is: 43,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.12 : 68,698.08 = 31,629.12 : x
  2. Step 2: Convert to fraction form
    49,773.12/68,698.08 = 31,629.12/x
  3. Step 3: Cross multiply
    49,773.12x = 68,698.08 × 31,629.12
  4. Step 4: Simplify right side
    49,773.12x = 2,172,859,816.09
  5. Step 5: Solve for x
    x = 2,172,859,816.09/49,773.12
  6. Step 6: Final answer
    x = 43,655.29

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1.5x scale

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.