Home / 43,986.16-60,728.97-28,905.58

Finding the Fourth Proportional to 43,986.16, 60,728.97 and 28,905.58

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Solution

The fourth proportional to 43,986.16, 60,728.97 and 28,905.58 is: 39,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.16 : 60,728.97 = 28,905.58 : x
  2. Step 2: Convert to fraction form
    43,986.16/60,728.97 = 28,905.58/x
  3. Step 3: Cross multiply
    43,986.16x = 60,728.97 × 28,905.58
  4. Step 4: Simplify right side
    43,986.16x = 1,755,406,100.65
  5. Step 5: Solve for x
    x = 1,755,406,100.65/43,986.16
  6. Step 6: Final answer
    x = 39,908.15

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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.