Home / 49,385.90-68,145.40-29,243.63

Finding the Fourth Proportional to 49,385.90, 68,145.40 and 29,243.63

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Solution

The fourth proportional to 49,385.90, 68,145.40 and 29,243.63 is: 40,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.90 : 68,145.40 = 29,243.63 : x
  2. Step 2: Convert to fraction form
    49,385.90/68,145.40 = 29,243.63/x
  3. Step 3: Cross multiply
    49,385.90x = 68,145.40 × 29,243.63
  4. Step 4: Simplify right side
    49,385.90x = 1,992,819,070.72
  5. Step 5: Solve for x
    x = 1,992,819,070.72/49,385.90
  6. Step 6: Final answer
    x = 40,351.98

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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.