Home / 49,431.75-68,215.82-28,210.56

Finding the Fourth Proportional to 49,431.75, 68,215.82 and 28,210.56

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Solution

The fourth proportional to 49,431.75, 68,215.82 and 28,210.56 is: 38,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,431.75 : 68,215.82 = 28,210.56 : x
  2. Step 2: Convert to fraction form
    49,431.75/68,215.82 = 28,210.56/x
  3. Step 3: Cross multiply
    49,431.75x = 68,215.82 × 28,210.56
  4. Step 4: Simplify right side
    49,431.75x = 1,924,406,483.06
  5. Step 5: Solve for x
    x = 1,924,406,483.06/49,431.75
  6. Step 6: Final answer
    x = 38,930.58

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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.