Home / 49,385.52-68,163.12-31,476.96

Finding the Fourth Proportional to 49,385.52, 68,163.12 and 31,476.96

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Solution

The fourth proportional to 49,385.52, 68,163.12 and 31,476.96 is: 43,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.52 : 68,163.12 = 31,476.96 : x
  2. Step 2: Convert to fraction form
    49,385.52/68,163.12 = 31,476.96/x
  3. Step 3: Cross multiply
    49,385.52x = 68,163.12 × 31,476.96
  4. Step 4: Simplify right side
    49,385.52x = 2,145,567,801.72
  5. Step 5: Solve for x
    x = 2,145,567,801.72/49,385.52
  6. Step 6: Final answer
    x = 43,445.28

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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.