Home / 49,546.80-68,385.02-31,638.69

Finding the Fourth Proportional to 49,546.80, 68,385.02 and 31,638.69

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Solution

The fourth proportional to 49,546.80, 68,385.02 and 31,638.69 is: 43,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,546.80 : 68,385.02 = 31,638.69 : x
  2. Step 2: Convert to fraction form
    49,546.80/68,385.02 = 31,638.69/x
  3. Step 3: Cross multiply
    49,546.80x = 68,385.02 × 31,638.69
  4. Step 4: Simplify right side
    49,546.80x = 2,163,612,448.42
  5. Step 5: Solve for x
    x = 2,163,612,448.42/49,546.80
  6. Step 6: Final answer
    x = 43,668.06

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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.